diff --git a/doc/manual/src/advanced-topics/diff-hook.md b/doc/manual/src/advanced-topics/diff-hook.md
index 4a742c160..207aad3b8 100644
--- a/doc/manual/src/advanced-topics/diff-hook.md
+++ b/doc/manual/src/advanced-topics/diff-hook.md
@@ -48,13 +48,13 @@ If the build passes and is deterministic, Nix will exit with a status
 code of 0:
 
 ```console
-$ nix-build ./deterministic.nix -A stable
+$ nix-build ./deterministic.nix --attr stable
 this derivation will be built:
   /nix/store/z98fasz2jqy9gs0xbvdj939p27jwda38-stable.drv
 building '/nix/store/z98fasz2jqy9gs0xbvdj939p27jwda38-stable.drv'...
 /nix/store/yyxlzw3vqaas7wfp04g0b1xg51f2czgq-stable
 
-$ nix-build ./deterministic.nix -A stable --check
+$ nix-build ./deterministic.nix --attr stable --check
 checking outputs of '/nix/store/z98fasz2jqy9gs0xbvdj939p27jwda38-stable.drv'...
 /nix/store/yyxlzw3vqaas7wfp04g0b1xg51f2czgq-stable
 ```
@@ -63,13 +63,13 @@ If the build is not deterministic, Nix will exit with a status code of
 1:
 
 ```console
-$ nix-build ./deterministic.nix -A unstable
+$ nix-build ./deterministic.nix --attr unstable
 this derivation will be built:
   /nix/store/cgl13lbj1w368r5z8gywipl1ifli7dhk-unstable.drv
 building '/nix/store/cgl13lbj1w368r5z8gywipl1ifli7dhk-unstable.drv'...
 /nix/store/krpqk0l9ib0ibi1d2w52z293zw455cap-unstable
 
-$ nix-build ./deterministic.nix -A unstable --check
+$ nix-build ./deterministic.nix --attr unstable --check
 checking outputs of '/nix/store/cgl13lbj1w368r5z8gywipl1ifli7dhk-unstable.drv'...
 error: derivation '/nix/store/cgl13lbj1w368r5z8gywipl1ifli7dhk-unstable.drv' may
 not be deterministic: output '/nix/store/krpqk0l9ib0ibi1d2w52z293zw455cap-unstable' differs
@@ -89,7 +89,7 @@ Using `--check` with `--keep-failed` will cause Nix to keep the second
 build's output in a special, `.check` path:
 
 ```console
-$ nix-build ./deterministic.nix -A unstable --check --keep-failed
+$ nix-build ./deterministic.nix --attr unstable --check --keep-failed
 checking outputs of '/nix/store/cgl13lbj1w368r5z8gywipl1ifli7dhk-unstable.drv'...
 note: keeping build directory '/tmp/nix-build-unstable.drv-0'
 error: derivation '/nix/store/cgl13lbj1w368r5z8gywipl1ifli7dhk-unstable.drv' may
diff --git a/doc/manual/src/advanced-topics/post-build-hook.md b/doc/manual/src/advanced-topics/post-build-hook.md
index 1479cc3a4..a251dec48 100644
--- a/doc/manual/src/advanced-topics/post-build-hook.md
+++ b/doc/manual/src/advanced-topics/post-build-hook.md
@@ -90,7 +90,7 @@ Then, restart the `nix-daemon`.
 Build any derivation, for example:
 
 ```console
-$ nix-build -E '(import <nixpkgs> {}).writeText "example" (builtins.toString builtins.currentTime)'
+$ nix-build --expr '(import <nixpkgs> {}).writeText "example" (builtins.toString builtins.currentTime)'
 this derivation will be built:
   /nix/store/s4pnfbkalzy5qz57qs6yybna8wylkig6-example.drv
 building '/nix/store/s4pnfbkalzy5qz57qs6yybna8wylkig6-example.drv'...
diff --git a/doc/manual/src/command-ref/nix-build.md b/doc/manual/src/command-ref/nix-build.md
index 44de4cf53..f70bbd7f2 100644
--- a/doc/manual/src/command-ref/nix-build.md
+++ b/doc/manual/src/command-ref/nix-build.md
@@ -76,7 +76,7 @@ except for `--arg` and `--attr` / `-A` which are passed to `nix-instantiate`.
 # Examples
 
 ```console
-$ nix-build '<nixpkgs>' -A firefox
+$ nix-build '<nixpkgs>' --attr firefox
 store derivation is /nix/store/qybprl8sz2lc...-firefox-1.5.0.7.drv
 /nix/store/d18hyl92g30l...-firefox-1.5.0.7
 
@@ -91,7 +91,7 @@ If a derivation has multiple outputs, `nix-build` will build the default
 (first) output. You can also build all outputs:
 
 ```console
-$ nix-build '<nixpkgs>' -A openssl.all
+$ nix-build '<nixpkgs>' --attr openssl.all
 ```
 
 This will create a symlink for each output named `result-outputname`.
@@ -101,7 +101,7 @@ outputs `out`, `bin` and `man`, `nix-build` will create symlinks
 specific output:
 
 ```console
-$ nix-build '<nixpkgs>' -A openssl.man
+$ nix-build '<nixpkgs>' --attr openssl.man
 ```
 
 This will create a symlink `result-man`.
@@ -109,7 +109,7 @@ This will create a symlink `result-man`.
 Build a Nix expression given on the command line:
 
 ```console
-$ nix-build -E 'with import <nixpkgs> { }; runCommand "foo" { } "echo bar > $out"'
+$ nix-build --expr 'with import <nixpkgs> { }; runCommand "foo" { } "echo bar > $out"'
 $ cat ./result
 bar
 ```
@@ -118,5 +118,5 @@ Build the GNU Hello package from the latest revision of the master
 branch of Nixpkgs:
 
 ```console
-$ nix-build https://github.com/NixOS/nixpkgs/archive/master.tar.gz -A hello
+$ nix-build https://github.com/NixOS/nixpkgs/archive/master.tar.gz --attr hello
 ```
diff --git a/doc/manual/src/command-ref/nix-channel.md b/doc/manual/src/command-ref/nix-channel.md
index 72d3e422b..cd86b364d 100644
--- a/doc/manual/src/command-ref/nix-channel.md
+++ b/doc/manual/src/command-ref/nix-channel.md
@@ -59,18 +59,18 @@ To subscribe to the Nixpkgs channel and install the GNU Hello package:
 ```console
 $ nix-channel --add https://nixos.org/channels/nixpkgs-unstable
 $ nix-channel --update
-$ nix-env -iA nixpkgs.hello
+$ nix-env --install --attr nixpkgs.hello
 ```
 
 You can revert channel updates using `--rollback`:
 
 ```console
-$ nix-instantiate --eval -E '(import <nixpkgs> {}).lib.version'
+$ nix-instantiate --eval --expr '(import <nixpkgs> {}).lib.version'
 "14.04.527.0e935f1"
 
 $ nix-channel --rollback
 switching from generation 483 to 482
 
-$ nix-instantiate --eval -E '(import <nixpkgs> {}).lib.version'
+$ nix-instantiate --eval --expr '(import <nixpkgs> {}).lib.version'
 "14.04.526.dbadfad"
 ```
diff --git a/doc/manual/src/command-ref/nix-copy-closure.md b/doc/manual/src/command-ref/nix-copy-closure.md
index 0801e8246..fbf6828da 100644
--- a/doc/manual/src/command-ref/nix-copy-closure.md
+++ b/doc/manual/src/command-ref/nix-copy-closure.md
@@ -87,5 +87,5 @@ environment:
 ```console
 $ nix-copy-closure --from alice@itchy.labs \
     /nix/store/0dj0503hjxy5mbwlafv1rsbdiyx1gkdy-subversion-1.4.4
-$ nix-env -i /nix/store/0dj0503hjxy5mbwlafv1rsbdiyx1gkdy-subversion-1.4.4
+$ nix-env --install /nix/store/0dj0503hjxy5mbwlafv1rsbdiyx1gkdy-subversion-1.4.4
 ```
diff --git a/doc/manual/src/command-ref/nix-env.md b/doc/manual/src/command-ref/nix-env.md
index b4a3dce49..486238ac8 100644
--- a/doc/manual/src/command-ref/nix-env.md
+++ b/doc/manual/src/command-ref/nix-env.md
@@ -49,7 +49,7 @@ These pages can be viewed offline:
 
 # Selectors
 
-Several commands, such as `nix-env -q` and `nix-env -i`, take a list of
+Several commands, such as `nix-env --query ` and `nix-env --install `, take a list of
 arguments that specify the packages on which to operate. These are
 extended regular expressions that must match the entire name of the
 package. (For details on regular expressions, see **regex**(7).) The match is
diff --git a/doc/manual/src/command-ref/nix-env/delete-generations.md b/doc/manual/src/command-ref/nix-env/delete-generations.md
index 6f0af5384..92cb7f0d9 100644
--- a/doc/manual/src/command-ref/nix-env/delete-generations.md
+++ b/doc/manual/src/command-ref/nix-env/delete-generations.md
@@ -41,6 +41,6 @@ $ nix-env --delete-generations 30d
 ```
 
 ```console
-$ nix-env -p other_profile --delete-generations old
+$ nix-env --profile other_profile --delete-generations old
 ```
 
diff --git a/doc/manual/src/command-ref/nix-env/install.md b/doc/manual/src/command-ref/nix-env/install.md
index d754accfe..ad179cbc7 100644
--- a/doc/manual/src/command-ref/nix-env/install.md
+++ b/doc/manual/src/command-ref/nix-env/install.md
@@ -36,7 +36,7 @@ a number of possible ways:
     then the derivation with the highest version will be installed.
 
     You can force the installation of multiple derivations with the same
-    name by being specific about the versions. For instance, `nix-env -i
+    name by being specific about the versions. For instance, `nix-env --install
     gcc-3.3.6 gcc-4.1.1` will install both version of GCC (and will
     probably cause a user environment conflict\!).
 
@@ -44,7 +44,7 @@ a number of possible ways:
     paths* that select attributes from the top-level Nix
     expression. This is faster than using derivation names and
     unambiguous. To find out the attribute paths of available
-    packages, use `nix-env -qaP`.
+    packages, use `nix-env --query --available --attr-path `.
 
   - If `--from-profile` *path* is given, *args* is a set of names
     denoting installed store paths in the profile *path*. This is an
@@ -87,7 +87,7 @@ a number of possible ways:
 
   - `--remove-all` / `-r`\
     Remove all previously installed packages first. This is equivalent
-    to running `nix-env -e '.*'` first, except that everything happens
+    to running `nix-env --uninstall '.*'` first, except that everything happens
     in a single transaction.
 
 {{#include ./opt-common.md}}
@@ -103,9 +103,9 @@ a number of possible ways:
 To install a package using a specific attribute path from the active Nix expression:
 
 ```console
-$ nix-env -iA gcc40mips
+$ nix-env --install --attr gcc40mips
 installing `gcc-4.0.2'
-$ nix-env -iA xorg.xorgserver
+$ nix-env --install --attr xorg.xorgserver
 installing `xorg-server-1.2.0'
 ```
 
@@ -133,32 +133,32 @@ installing `gcc-3.3.2'
 To install all derivations in the Nix expression `foo.nix`:
 
 ```console
-$ nix-env -f ~/foo.nix -i '.*'
+$ nix-env --file ~/foo.nix --install '.*'
 ```
 
 To copy the store path with symbolic name `gcc` from another profile:
 
 ```console
-$ nix-env -i --from-profile /nix/var/nix/profiles/foo gcc
+$ nix-env --install --from-profile /nix/var/nix/profiles/foo gcc
 ```
 
 To install a specific [store derivation] (typically created by
 `nix-instantiate`):
 
 ```console
-$ nix-env -i /nix/store/fibjb1bfbpm5mrsxc4mh2d8n37sxh91i-gcc-3.4.3.drv
+$ nix-env --install /nix/store/fibjb1bfbpm5mrsxc4mh2d8n37sxh91i-gcc-3.4.3.drv
 ```
 
 To install a specific output path:
 
 ```console
-$ nix-env -i /nix/store/y3cgx0xj1p4iv9x0pnnmdhr8iyg741vk-gcc-3.4.3
+$ nix-env --install /nix/store/y3cgx0xj1p4iv9x0pnnmdhr8iyg741vk-gcc-3.4.3
 ```
 
 To install from a Nix expression specified on the command-line:
 
 ```console
-$ nix-env -f ./foo.nix -i -E \
+$ nix-env --file ./foo.nix --install --expr \
     'f: (f {system = "i686-linux";}).subversionWithJava'
 ```
 
@@ -170,7 +170,7 @@ function defined in `./foo.nix`.
 A dry-run tells you which paths will be downloaded or built from source:
 
 ```console
-$ nix-env -f '<nixpkgs>' -iA hello --dry-run
+$ nix-env --file '<nixpkgs>' --install --attr hello --dry-run
 (dry run; not doing anything)
 installing ‘hello-2.10’
 this path will be fetched (0.04 MiB download, 0.19 MiB unpacked):
@@ -182,6 +182,6 @@ To install Firefox from the latest revision in the Nixpkgs/NixOS 14.12
 channel:
 
 ```console
-$ nix-env -f https://github.com/NixOS/nixpkgs/archive/nixos-14.12.tar.gz -iA firefox
+$ nix-env --file https://github.com/NixOS/nixpkgs/archive/nixos-14.12.tar.gz --install --attr firefox
 ```
 
diff --git a/doc/manual/src/command-ref/nix-env/query.md b/doc/manual/src/command-ref/nix-env/query.md
index 18f0ee210..c9b4d8513 100644
--- a/doc/manual/src/command-ref/nix-env/query.md
+++ b/doc/manual/src/command-ref/nix-env/query.md
@@ -137,7 +137,7 @@ derivation is shown unless `--no-name` is specified.
 To show installed packages:
 
 ```console
-$ nix-env -q
+$ nix-env --query
 bison-1.875c
 docbook-xml-4.2
 firefox-1.0.4
@@ -149,7 +149,7 @@ ORBit2-2.8.3
 To show available packages:
 
 ```console
-$ nix-env -qa
+$ nix-env --query --available
 firefox-1.0.7
 GConf-2.4.0.1
 MPlayer-1.0pre7
@@ -160,7 +160,7 @@ ORBit2-2.8.3
 To show the status of available packages:
 
 ```console
-$ nix-env -qas
+$ nix-env --query --available --status
 -P- firefox-1.0.7   (not installed but present)
 --S GConf-2.4.0.1   (not present, but there is a substitute for fast installation)
 --S MPlayer-1.0pre3 (i.e., this is not the installed MPlayer, even though the version is the same!)
@@ -171,14 +171,14 @@ IP- ORBit2-2.8.3    (installed and by definition present)
 To show available packages in the Nix expression `foo.nix`:
 
 ```console
-$ nix-env -f ./foo.nix -qa
+$ nix-env --file ./foo.nix --query --available
 foo-1.2.3
 ```
 
 To compare installed versions to what’s available:
 
 ```console
-$ nix-env -qc
+$ nix-env --query --compare-versions
 ...
 acrobat-reader-7.0 - ?      (package is not available at all)
 autoconf-2.59      = 2.59   (same version)
@@ -189,7 +189,7 @@ firefox-1.0.4      < 1.0.7  (a more recent version is available)
 To show all packages with “`zip`” in the name:
 
 ```console
-$ nix-env -qa '.*zip.*'
+$ nix-env --query --available '.*zip.*'
 bzip2-1.0.6
 gzip-1.6
 zip-3.0
@@ -199,7 +199,7 @@ zip-3.0
 To show all packages with “`firefox`” or “`chromium`” in the name:
 
 ```console
-$ nix-env -qa '.*(firefox|chromium).*'
+$ nix-env --query --available '.*(firefox|chromium).*'
 chromium-37.0.2062.94
 chromium-beta-38.0.2125.24
 firefox-32.0.3
@@ -210,6 +210,6 @@ firefox-with-plugins-13.0.1
 To show all packages in the latest revision of the Nixpkgs repository:
 
 ```console
-$ nix-env -f https://github.com/NixOS/nixpkgs/archive/master.tar.gz -qa
+$ nix-env --file https://github.com/NixOS/nixpkgs/archive/master.tar.gz --query --available
 ```
 
diff --git a/doc/manual/src/command-ref/nix-env/set-flag.md b/doc/manual/src/command-ref/nix-env/set-flag.md
index 63f0a0ff9..e04b22a91 100644
--- a/doc/manual/src/command-ref/nix-env/set-flag.md
+++ b/doc/manual/src/command-ref/nix-env/set-flag.md
@@ -46,16 +46,16 @@ To prevent the currently installed Firefox from being upgraded:
 $ nix-env --set-flag keep true firefox
 ```
 
-After this, `nix-env -u` will ignore Firefox.
+After this, `nix-env --upgrade ` will ignore Firefox.
 
 To disable the currently installed Firefox, then install a new Firefox
 while the old remains part of the profile:
 
 ```console
-$ nix-env -q
+$ nix-env --query
 firefox-2.0.0.9 (the current one)
 
-$ nix-env --preserve-installed -i firefox-2.0.0.11
+$ nix-env --preserve-installed --install firefox-2.0.0.11
 installing `firefox-2.0.0.11'
 building path(s) `/nix/store/myy0y59q3ig70dgq37jqwg1j0rsapzsl-user-environment'
 collision between `/nix/store/...-firefox-2.0.0.11/bin/firefox'
@@ -65,10 +65,10 @@ collision between `/nix/store/...-firefox-2.0.0.11/bin/firefox'
 $ nix-env --set-flag active false firefox
 setting flag on `firefox-2.0.0.9'
 
-$ nix-env --preserve-installed -i firefox-2.0.0.11
+$ nix-env --preserve-installed --install firefox-2.0.0.11
 installing `firefox-2.0.0.11'
 
-$ nix-env -q
+$ nix-env --query
 firefox-2.0.0.11 (the enabled one)
 firefox-2.0.0.9 (the disabled one)
 ```
diff --git a/doc/manual/src/command-ref/nix-env/set.md b/doc/manual/src/command-ref/nix-env/set.md
index c1cf75739..b9950eeab 100644
--- a/doc/manual/src/command-ref/nix-env/set.md
+++ b/doc/manual/src/command-ref/nix-env/set.md
@@ -25,6 +25,6 @@ The following updates a profile such that its current generation will
 contain just Firefox:
 
 ```console
-$ nix-env -p /nix/var/nix/profiles/browser --set firefox
+$ nix-env --profile /nix/var/nix/profiles/browser --set firefox
 ```
 
diff --git a/doc/manual/src/command-ref/nix-env/switch-generation.md b/doc/manual/src/command-ref/nix-env/switch-generation.md
index e550325c4..38cf0534d 100644
--- a/doc/manual/src/command-ref/nix-env/switch-generation.md
+++ b/doc/manual/src/command-ref/nix-env/switch-generation.md
@@ -27,7 +27,7 @@ Switching will fail if the specified generation does not exist.
 # Examples
 
 ```console
-$ nix-env -G 42
+$ nix-env --switch-generation 42
 switching from generation 50 to 42
 ```
 
diff --git a/doc/manual/src/command-ref/nix-env/switch-profile.md b/doc/manual/src/command-ref/nix-env/switch-profile.md
index b389e4140..5ae2fdced 100644
--- a/doc/manual/src/command-ref/nix-env/switch-profile.md
+++ b/doc/manual/src/command-ref/nix-env/switch-profile.md
@@ -22,5 +22,5 @@ the symlink `~/.nix-profile` is made to point to *path*.
 # Examples
 
 ```console
-$ nix-env -S ~/my-profile
+$ nix-env --switch-profile ~/my-profile
 ```
diff --git a/doc/manual/src/command-ref/nix-env/uninstall.md b/doc/manual/src/command-ref/nix-env/uninstall.md
index e9ec8a15e..734cc7675 100644
--- a/doc/manual/src/command-ref/nix-env/uninstall.md
+++ b/doc/manual/src/command-ref/nix-env/uninstall.md
@@ -24,5 +24,5 @@ designated by the symbolic names *drvnames* are removed.
 
 ```console
 $ nix-env --uninstall gcc
-$ nix-env -e '.*' (remove everything)
+$ nix-env --uninstall '.*' (remove everything)
 ```
diff --git a/doc/manual/src/command-ref/nix-env/upgrade.md b/doc/manual/src/command-ref/nix-env/upgrade.md
index f88ffcbee..322dfbda2 100644
--- a/doc/manual/src/command-ref/nix-env/upgrade.md
+++ b/doc/manual/src/command-ref/nix-env/upgrade.md
@@ -76,21 +76,21 @@ version is installed.
 # Examples
 
 ```console
-$ nix-env --upgrade -A nixpkgs.gcc
+$ nix-env --upgrade --attr nixpkgs.gcc
 upgrading `gcc-3.3.1' to `gcc-3.4'
 ```
 
 When there are no updates available, nothing will happen:
 
 ```console
-$ nix-env --upgrade -A nixpkgs.pan
+$ nix-env --upgrade --attr nixpkgs.pan
 ```
 
 Using `-A` is preferred when possible, as it is faster and unambiguous but
 it is also possible to upgrade to a specific version by matching the derivation name:
 
 ```console
-$ nix-env -u gcc-3.3.2 --always
+$ nix-env --upgrade gcc-3.3.2 --always
 upgrading `gcc-3.4' to `gcc-3.3.2'
 ```
 
@@ -98,7 +98,7 @@ To try to upgrade everything
 (matching packages based on the part of the derivation name without version):
 
 ```console
-$ nix-env -u
+$ nix-env --upgrade
 upgrading `hello-2.1.2' to `hello-2.1.3'
 upgrading `mozilla-1.2' to `mozilla-1.4'
 ```
diff --git a/doc/manual/src/command-ref/nix-instantiate.md b/doc/manual/src/command-ref/nix-instantiate.md
index e55fb2afd..e1b4a3e80 100644
--- a/doc/manual/src/command-ref/nix-instantiate.md
+++ b/doc/manual/src/command-ref/nix-instantiate.md
@@ -88,7 +88,7 @@ Instantiate [store derivation]s from a Nix expression, and build them using `nix
 $ nix-instantiate test.nix (instantiate)
 /nix/store/cigxbmvy6dzix98dxxh9b6shg7ar5bvs-perl-BerkeleyDB-0.26.drv
 
-$ nix-store -r $(nix-instantiate test.nix) (build)
+$ nix-store --realise $(nix-instantiate test.nix) (build)
 ...
 /nix/store/qhqk4n8ci095g3sdp93x7rgwyh9rdvgk-perl-BerkeleyDB-0.26 (output path)
 
@@ -100,30 +100,30 @@ dr-xr-xr-x    2 eelco    users        4096 1970-01-01 01:00 lib
 You can also give a Nix expression on the command line:
 
 ```console
-$ nix-instantiate -E 'with import <nixpkgs> { }; hello'
+$ nix-instantiate --expr 'with import <nixpkgs> { }; hello'
 /nix/store/j8s4zyv75a724q38cb0r87rlczaiag4y-hello-2.8.drv
 ```
 
 This is equivalent to:
 
 ```console
-$ nix-instantiate '<nixpkgs>' -A hello
+$ nix-instantiate '<nixpkgs>' --attr hello
 ```
 
 Parsing and evaluating Nix expressions:
 
 ```console
-$ nix-instantiate --parse -E '1 + 2'
+$ nix-instantiate --parse --expr '1 + 2'
 1 + 2
 ```
 
 ```console
-$ nix-instantiate --eval -E '1 + 2'
+$ nix-instantiate --eval --expr '1 + 2'
 3
 ```
 
 ```console
-$ nix-instantiate --eval --xml -E '1 + 2'
+$ nix-instantiate --eval --xml --expr '1 + 2'
 <?xml version='1.0' encoding='utf-8'?>
 <expr>
   <int value="3" />
@@ -133,7 +133,7 @@ $ nix-instantiate --eval --xml -E '1 + 2'
 The difference between non-strict and strict evaluation:
 
 ```console
-$ nix-instantiate --eval --xml -E 'rec { x = "foo"; y = x; }'
+$ nix-instantiate --eval --xml --expr 'rec { x = "foo"; y = x; }'
 ...
   <attr name="x">
     <string value="foo" />
@@ -148,7 +148,7 @@ Note that `y` is left unevaluated (the XML representation doesn’t
 attempt to show non-normal forms).
 
 ```console
-$ nix-instantiate --eval --xml --strict -E 'rec { x = "foo"; y = x; }'
+$ nix-instantiate --eval --xml --strict --expr 'rec { x = "foo"; y = x; }'
 ...
   <attr name="x">
     <string value="foo" />
diff --git a/doc/manual/src/command-ref/nix-shell.md b/doc/manual/src/command-ref/nix-shell.md
index 576e5ba0b..195b72be5 100644
--- a/doc/manual/src/command-ref/nix-shell.md
+++ b/doc/manual/src/command-ref/nix-shell.md
@@ -89,7 +89,7 @@ All options not listed here are passed to `nix-store
   - `--packages` / `-p` *packages*…\
     Set up an environment in which the specified packages are present.
     The command line arguments are interpreted as attribute names inside
-    the Nix Packages collection. Thus, `nix-shell -p libjpeg openjdk`
+    the Nix Packages collection. Thus, `nix-shell --packages libjpeg openjdk`
     will start a shell in which the packages denoted by the attribute
     names `libjpeg` and `openjdk` are present.
 
@@ -118,7 +118,7 @@ To build the dependencies of the package Pan, and start an interactive
 shell in which to build it:
 
 ```console
-$ nix-shell '<nixpkgs>' -A pan
+$ nix-shell '<nixpkgs>' --attr pan
 [nix-shell]$ eval ${unpackPhase:-unpackPhase}
 [nix-shell]$ cd $sourceRoot
 [nix-shell]$ eval ${patchPhase:-patchPhase}
@@ -137,7 +137,7 @@ To clear the environment first, and do some additional automatic
 initialisation of the interactive shell:
 
 ```console
-$ nix-shell '<nixpkgs>' -A pan --pure \
+$ nix-shell '<nixpkgs>' --attr pan --pure \
     --command 'export NIX_DEBUG=1; export NIX_CORES=8; return'
 ```
 
@@ -146,13 +146,13 @@ Nix expressions can also be given on the command line using the `-E` and
 packages `sqlite` and `libX11`:
 
 ```console
-$ nix-shell -E 'with import <nixpkgs> { }; runCommand "dummy" { buildInputs = [ sqlite xorg.libX11 ]; } ""'
+$ nix-shell --expr 'with import <nixpkgs> { }; runCommand "dummy" { buildInputs = [ sqlite xorg.libX11 ]; } ""'
 ```
 
 A shorter way to do the same is:
 
 ```console
-$ nix-shell -p sqlite xorg.libX11
+$ nix-shell --packages sqlite xorg.libX11
 [nix-shell]$ echo $NIX_LDFLAGS
 … -L/nix/store/j1zg5v…-sqlite-3.8.0.2/lib -L/nix/store/0gmcz9…-libX11-1.6.1/lib …
 ```
@@ -162,7 +162,7 @@ the `buildInputs = [ ... ]` shown above, not only package names. So the
 following is also legal:
 
 ```console
-$ nix-shell -p sqlite 'git.override { withManual = false; }'
+$ nix-shell --packages sqlite 'git.override { withManual = false; }'
 ```
 
 The `-p` flag looks up Nixpkgs in the Nix search path. You can override
@@ -171,7 +171,7 @@ gives you a shell containing the Pan package from a specific revision of
 Nixpkgs:
 
 ```console
-$ nix-shell -p pan -I nixpkgs=https://github.com/NixOS/nixpkgs/archive/8a3eea054838b55aca962c3fbde9c83c102b8bf2.tar.gz
+$ nix-shell --packages pan -I nixpkgs=https://github.com/NixOS/nixpkgs/archive/8a3eea054838b55aca962c3fbde9c83c102b8bf2.tar.gz
 
 [nix-shell:~]$ pan --version
 Pan 0.139
@@ -185,7 +185,7 @@ done by starting the script with the following lines:
 
 ```bash
 #! /usr/bin/env nix-shell
-#! nix-shell -i real-interpreter -p packages
+#! nix-shell -i real-interpreter --packages packages
 ```
 
 where *real-interpreter* is the “real” script interpreter that will be
@@ -202,7 +202,7 @@ For example, here is a Python script that depends on Python and the
 
 ```python
 #! /usr/bin/env nix-shell
-#! nix-shell -i python -p python pythonPackages.prettytable
+#! nix-shell -i python --packages python pythonPackages.prettytable
 
 import prettytable
 
@@ -217,7 +217,7 @@ requires Perl and the `HTML::TokeParser::Simple` and `LWP` packages:
 
 ```perl
 #! /usr/bin/env nix-shell
-#! nix-shell -i perl -p perl perlPackages.HTMLTokeParserSimple perlPackages.LWP
+#! nix-shell -i perl --packages perl perlPackages.HTMLTokeParserSimple perlPackages.LWP
 
 use HTML::TokeParser::Simple;
 
@@ -235,7 +235,7 @@ package like Terraform:
 
 ```bash
 #! /usr/bin/env nix-shell
-#! nix-shell -i bash -p "terraform.withPlugins (plugins: [ plugins.openstack ])"
+#! nix-shell -i bash --packages "terraform.withPlugins (plugins: [ plugins.openstack ])"
 
 terraform apply
 ```
@@ -251,7 +251,7 @@ branch):
 
 ```haskell
 #! /usr/bin/env nix-shell
-#! nix-shell -i runghc -p "haskellPackages.ghcWithPackages (ps: [ps.download-curl ps.tagsoup])"
+#! nix-shell -i runghc --packages "haskellPackages.ghcWithPackages (ps: [ps.download-curl ps.tagsoup])"
 #! nix-shell -I nixpkgs=https://github.com/NixOS/nixpkgs/archive/nixos-20.03.tar.gz
 
 import Network.Curl.Download
diff --git a/doc/manual/src/command-ref/nix-store/dump.md b/doc/manual/src/command-ref/nix-store/dump.md
index 62656d599..c2f3c42ef 100644
--- a/doc/manual/src/command-ref/nix-store/dump.md
+++ b/doc/manual/src/command-ref/nix-store/dump.md
@@ -23,7 +23,7 @@ produce the same NAR archive. For instance, directory entries are
 always sorted so that the actual on-disk order doesn’t influence the
 result.  This means that the cryptographic hash of a NAR dump of a
 path is usable as a fingerprint of the contents of the path. Indeed,
-the hashes of store paths stored in Nix’s database (see `nix-store -q
+the hashes of store paths stored in Nix’s database (see `nix-store --query
 --hash`) are SHA-256 hashes of the NAR dump of each store path.
 
 NAR archives support filenames of unlimited length and 64-bit file
diff --git a/doc/manual/src/command-ref/nix-store/export.md b/doc/manual/src/command-ref/nix-store/export.md
index aeea38636..1bc46f53b 100644
--- a/doc/manual/src/command-ref/nix-store/export.md
+++ b/doc/manual/src/command-ref/nix-store/export.md
@@ -31,7 +31,7 @@ To copy a whole closure, do something
 like:
 
 ```console
-$ nix-store --export $(nix-store -qR paths) > out
+$ nix-store --export $(nix-store --query --requisites paths) > out
 ```
 
 To import the whole closure again, run:
diff --git a/doc/manual/src/command-ref/nix-store/opt-common.md b/doc/manual/src/command-ref/nix-store/opt-common.md
index bf6566555..dd9a6bf21 100644
--- a/doc/manual/src/command-ref/nix-store/opt-common.md
+++ b/doc/manual/src/command-ref/nix-store/opt-common.md
@@ -11,7 +11,7 @@ The following options are allowed for all `nix-store` operations, but may not al
   be created in `/nix/var/nix/gcroots/auto/`. For instance,
 
   ```console
-  $ nix-store --add-root /home/eelco/bla/result -r ...
+  $ nix-store --add-root /home/eelco/bla/result --realise ...
 
   $ ls -l /nix/var/nix/gcroots/auto
   lrwxrwxrwx    1 ... 2005-03-13 21:10 dn54lcypm8f8... -> /home/eelco/bla/result
diff --git a/doc/manual/src/command-ref/nix-store/query.md b/doc/manual/src/command-ref/nix-store/query.md
index 9f7dbd3e8..cd45a4932 100644
--- a/doc/manual/src/command-ref/nix-store/query.md
+++ b/doc/manual/src/command-ref/nix-store/query.md
@@ -145,7 +145,7 @@ Print the closure (runtime dependencies) of the `svn` program in the
 current user environment:
 
 ```console
-$ nix-store -qR $(which svn)
+$ nix-store --query --requisites $(which svn)
 /nix/store/5mbglq5ldqld8sj57273aljwkfvj22mc-subversion-1.1.4
 /nix/store/9lz9yc6zgmc0vlqmn2ipcpkjlmbi51vv-glibc-2.3.4
 ...
@@ -154,7 +154,7 @@ $ nix-store -qR $(which svn)
 Print the build-time dependencies of `svn`:
 
 ```console
-$ nix-store -qR $(nix-store -qd $(which svn))
+$ nix-store --query --requisites $(nix-store --query --deriver $(which svn))
 /nix/store/02iizgn86m42q905rddvg4ja975bk2i4-grep-2.5.1.tar.bz2.drv
 /nix/store/07a2bzxmzwz5hp58nf03pahrv2ygwgs3-gcc-wrapper.sh
 /nix/store/0ma7c9wsbaxahwwl04gbw3fcd806ski4-glibc-2.3.4.drv
@@ -168,7 +168,7 @@ the derivation (`-qd`), not the closure of the output path that contains
 Show the build-time dependencies as a tree:
 
 ```console
-$ nix-store -q --tree $(nix-store -qd $(which svn))
+$ nix-store --query --tree $(nix-store --query --deriver $(which svn))
 /nix/store/7i5082kfb6yjbqdbiwdhhza0am2xvh6c-subversion-1.1.4.drv
 +---/nix/store/d8afh10z72n8l1cr5w42366abiblgn54-builder.sh
 +---/nix/store/fmzxmpjx2lh849ph0l36snfj9zdibw67-bash-3.0.drv
@@ -180,7 +180,7 @@ $ nix-store -q --tree $(nix-store -qd $(which svn))
 Show all paths that depend on the same OpenSSL library as `svn`:
 
 ```console
-$ nix-store -q --referrers $(nix-store -q --binding openssl $(nix-store -qd $(which svn)))
+$ nix-store --query --referrers $(nix-store --query --binding openssl $(nix-store --query --deriver $(which svn)))
 /nix/store/23ny9l9wixx21632y2wi4p585qhva1q8-sylpheed-1.0.0
 /nix/store/5mbglq5ldqld8sj57273aljwkfvj22mc-subversion-1.1.4
 /nix/store/dpmvp969yhdqs7lm2r1a3gng7pyq6vy4-subversion-1.1.3
@@ -191,7 +191,7 @@ Show all paths that directly or indirectly depend on the Glibc (C
 library) used by `svn`:
 
 ```console
-$ nix-store -q --referrers-closure $(ldd $(which svn) | grep /libc.so | awk '{print $3}')
+$ nix-store --query --referrers-closure $(ldd $(which svn) | grep /libc.so | awk '{print $3}')
 /nix/store/034a6h4vpz9kds5r6kzb9lhh81mscw43-libgnomeprintui-2.8.2
 /nix/store/15l3yi0d45prm7a82pcrknxdh6nzmxza-gawk-3.1.4
 ...
@@ -204,7 +204,7 @@ Make a picture of the runtime dependency graph of the current user
 environment:
 
 ```console
-$ nix-store -q --graph ~/.nix-profile | dot -Tps > graph.ps
+$ nix-store --query --graph ~/.nix-profile | dot -Tps > graph.ps
 $ gv graph.ps
 ```
 
@@ -212,7 +212,7 @@ Show every garbage collector root that points to a store path that
 depends on `svn`:
 
 ```console
-$ nix-store -q --roots $(which svn)
+$ nix-store --query --roots $(which svn)
 /nix/var/nix/profiles/default-81-link
 /nix/var/nix/profiles/default-82-link
 /home/eelco/.local/state/nix/profiles/profile-97-link
diff --git a/doc/manual/src/command-ref/nix-store/read-log.md b/doc/manual/src/command-ref/nix-store/read-log.md
index 4a88e9382..d1ff17891 100644
--- a/doc/manual/src/command-ref/nix-store/read-log.md
+++ b/doc/manual/src/command-ref/nix-store/read-log.md
@@ -27,7 +27,7 @@ substitute, then the log is unavailable.
 # Example
 
 ```console
-$ nix-store -l $(which ktorrent)
+$ nix-store --read-log $(which ktorrent)
 building /nix/store/dhc73pvzpnzxhdgpimsd9sw39di66ph1-ktorrent-2.2.1
 unpacking sources
 unpacking source archive /nix/store/p8n1jpqs27mgkjw07pb5269717nzf5f8-ktorrent-2.2.1.tar.gz
diff --git a/doc/manual/src/command-ref/nix-store/realise.md b/doc/manual/src/command-ref/nix-store/realise.md
index f61a20100..6b50d2145 100644
--- a/doc/manual/src/command-ref/nix-store/realise.md
+++ b/doc/manual/src/command-ref/nix-store/realise.md
@@ -99,7 +99,7 @@ This operation is typically used to build [store derivation]s produced by
 [store derivation]: @docroot@/glossary.md#gloss-store-derivation
 
 ```console
-$ nix-store -r $(nix-instantiate ./test.nix)
+$ nix-store --realise $(nix-instantiate ./test.nix)
 /nix/store/31axcgrlbfsxzmfff1gyj1bf62hvkby2-aterm-2.3.1
 ```
 
@@ -108,7 +108,7 @@ This is essentially what [`nix-build`](@docroot@/command-ref/nix-build.md) does.
 To test whether a previously-built derivation is deterministic:
 
 ```console
-$ nix-build '<nixpkgs>' -A hello --check -K
+$ nix-build '<nixpkgs>' --attr hello --check -K
 ```
 
 Use [`nix-store --read-log`](./read-log.md) to show the stderr and stdout of a build:
diff --git a/doc/manual/src/command-ref/nix-store/verify-path.md b/doc/manual/src/command-ref/nix-store/verify-path.md
index 59ffe92a3..927201599 100644
--- a/doc/manual/src/command-ref/nix-store/verify-path.md
+++ b/doc/manual/src/command-ref/nix-store/verify-path.md
@@ -24,6 +24,6 @@ path has changed, and 1 otherwise.
 To verify the integrity of the `svn` command and all its dependencies:
 
 ```console
-$ nix-store --verify-path $(nix-store -qR $(which svn))
+$ nix-store --verify-path $(nix-store --query --requisites $(which svn))
 ```
 
diff --git a/doc/manual/src/command-ref/opt-common.md b/doc/manual/src/command-ref/opt-common.md
index 7a012250d..54c0a1d0d 100644
--- a/doc/manual/src/command-ref/opt-common.md
+++ b/doc/manual/src/command-ref/opt-common.md
@@ -162,11 +162,11 @@ Most Nix commands accept the following command-line options:
     }: ...
     ```
 
-    So if you call this Nix expression (e.g., when you do `nix-env -iA
+    So if you call this Nix expression (e.g., when you do `nix-env --install --attr
     pkgname`), the function will be called automatically using the
     value [`builtins.currentSystem`](@docroot@/language/builtins.md) for
     the `system` argument. You can override this using `--arg`, e.g.,
-    `nix-env -iA pkgname --arg system \"i686-freebsd\"`. (Note that
+    `nix-env --install --attr pkgname --arg system \"i686-freebsd\"`. (Note that
     since the argument is a Nix string literal, you have to escape the
     quotes.)
 
@@ -199,7 +199,7 @@ Most Nix commands accept the following command-line options:
     For `nix-shell`, this option is commonly used to give you a shell in
     which you can build the packages returned by the expression. If you
     want to get a shell which contain the *built* packages ready for
-    use, give your expression to the `nix-shell -p` convenience flag
+    use, give your expression to the `nix-shell --packages ` convenience flag
     instead.
 
   - <span id="opt-I">[`-I`](#opt-I)</span> *path*\
diff --git a/doc/manual/src/contributing/hacking.md b/doc/manual/src/contributing/hacking.md
index ca69f076a..b954a2167 100644
--- a/doc/manual/src/contributing/hacking.md
+++ b/doc/manual/src/contributing/hacking.md
@@ -77,7 +77,7 @@ $ nix-shell
 To get a shell with one of the other [supported compilation environments](#compilation-environments):
 
 ```console
-$ nix-shell -A devShells.x86_64-linux.native-clang11StdenvPackages
+$ nix-shell --attr devShells.x86_64-linux.native-clang11StdenvPackages
 ```
 
 > **Note**
@@ -139,7 +139,7 @@ $ nix build .#packages.aarch64-linux.default
 for flake-enabled Nix, or
 
 ```console
-$ nix-build -A packages.aarch64-linux.default
+$ nix-build --attr packages.aarch64-linux.default
 ```
 
 for classic Nix.
@@ -166,7 +166,7 @@ $ nix build .#nix-ccacheStdenv
 for flake-enabled Nix, or
 
 ```console
-$ nix-build -A nix-ccacheStdenv
+$ nix-build --attr nix-ccacheStdenv
 ```
 
 for classic Nix.
diff --git a/doc/manual/src/glossary.md b/doc/manual/src/glossary.md
index eeb19ad50..97465d2e1 100644
--- a/doc/manual/src/glossary.md
+++ b/doc/manual/src/glossary.md
@@ -163,7 +163,7 @@
     build-time dependencies, while the closure of its output path is
     equivalent to its runtime dependencies. For correct deployment it
     is necessary to deploy whole closures, since otherwise at runtime
-    files could be missing. The command `nix-store -qR` prints out
+    files could be missing. The command `nix-store --query --requisites ` prints out
     closures of store paths.
 
     As an example, if the [store object] at path `P` contains a [reference]
diff --git a/doc/manual/src/installation/upgrading.md b/doc/manual/src/installation/upgrading.md
index 24efc4681..6d09f54d8 100644
--- a/doc/manual/src/installation/upgrading.md
+++ b/doc/manual/src/installation/upgrading.md
@@ -2,13 +2,13 @@
 
 Multi-user Nix users on macOS can upgrade Nix by running: `sudo -i sh -c
 'nix-channel --update &&
-nix-env -iA nixpkgs.nix &&
+nix-env --install --attr nixpkgs.nix &&
 launchctl remove org.nixos.nix-daemon &&
 launchctl load /Library/LaunchDaemons/org.nixos.nix-daemon.plist'`
 
 Single-user installations of Nix should run this: `nix-channel --update;
-nix-env -iA nixpkgs.nix nixpkgs.cacert`
+nix-env --install --attr nixpkgs.nix nixpkgs.cacert`
 
 Multi-user Nix users on Linux should run this with sudo: `nix-channel
---update; nix-env -iA nixpkgs.nix nixpkgs.cacert; systemctl
+--update; nix-env --install --attr nixpkgs.nix nixpkgs.cacert; systemctl
 daemon-reload; systemctl restart nix-daemon`
diff --git a/doc/manual/src/introduction.md b/doc/manual/src/introduction.md
index b54346db8..76489bc1b 100644
--- a/doc/manual/src/introduction.md
+++ b/doc/manual/src/introduction.md
@@ -76,7 +76,7 @@ there after an upgrade.  This means that you can _roll back_ to the
 old version:
 
 ```console
-$ nix-env --upgrade -A nixpkgs.some-package
+$ nix-env --upgrade --attr nixpkgs.some-package
 $ nix-env --rollback
 ```
 
@@ -122,7 +122,7 @@ Nix expressions generally describe how to build a package from
 source, so an installation action like
 
 ```console
-$ nix-env --install -A nixpkgs.firefox
+$ nix-env --install --attr nixpkgs.firefox
 ```
 
 _could_ cause quite a bit of build activity, as not only Firefox but
@@ -158,7 +158,7 @@ Pan newsreader, as described by [its
 Nix expression](https://github.com/NixOS/nixpkgs/blob/master/pkgs/applications/networking/newsreaders/pan/default.nix):
 
 ```console
-$ nix-shell '<nixpkgs>' -A pan
+$ nix-shell '<nixpkgs>' --attr pan
 ```
 
 You’re then dropped into a shell where you can edit, build and test
diff --git a/doc/manual/src/package-management/basic-package-mgmt.md b/doc/manual/src/package-management/basic-package-mgmt.md
index 5f1d7a89c..6b86e763e 100644
--- a/doc/manual/src/package-management/basic-package-mgmt.md
+++ b/doc/manual/src/package-management/basic-package-mgmt.md
@@ -47,7 +47,7 @@ $ nix-channel --update
 You can view the set of available packages in Nixpkgs:
 
 ```console
-$ nix-env -qaP
+$ nix-env --query --available --attr-path
 nixpkgs.aterm                       aterm-2.2
 nixpkgs.bash                        bash-3.0
 nixpkgs.binutils                    binutils-2.15
@@ -65,7 +65,7 @@ If you downloaded Nixpkgs yourself, or if you checked it out from GitHub,
 then you need to pass the path to your Nixpkgs tree using the `-f` flag:
 
 ```console
-$ nix-env -qaPf /path/to/nixpkgs
+$ nix-env --query --available --attr-path --file /path/to/nixpkgs
 aterm                               aterm-2.2
 bash                                bash-3.0
 …
@@ -77,7 +77,7 @@ Nixpkgs.
 You can filter the packages by name:
 
 ```console
-$ nix-env -qaP firefox
+$ nix-env --query --available --attr-path firefox
 nixpkgs.firefox-esr                 firefox-91.3.0esr
 nixpkgs.firefox                     firefox-94.0.1
 ```
@@ -85,7 +85,7 @@ nixpkgs.firefox                     firefox-94.0.1
 and using regular expressions:
 
 ```console
-$ nix-env -qaP 'firefox.*'
+$ nix-env --query --available --attr-path 'firefox.*'
 ```
 
 It is also possible to see the *status* of available packages, i.e.,
@@ -93,7 +93,7 @@ whether they are installed into the user environment and/or present in
 the system:
 
 ```console
-$ nix-env -qaPs
+$ nix-env --query --available --attr-path --status
 …
 -PS  nixpkgs.bash                bash-3.0
 --S  nixpkgs.binutils            binutils-2.15
@@ -110,10 +110,10 @@ which is Nix’s mechanism for doing binary deployment. It just means that
 Nix knows that it can fetch a pre-built package from somewhere
 (typically a network server) instead of building it locally.
 
-You can install a package using `nix-env -iA`. For instance,
+You can install a package using `nix-env --install --attr `. For instance,
 
 ```console
-$ nix-env -iA nixpkgs.subversion
+$ nix-env --install --attr nixpkgs.subversion
 ```
 
 will install the package called `subversion` from `nixpkgs` channel (which is, of course, the
@@ -143,14 +143,14 @@ instead of the attribute path, as `nix-env` does not record which attribute
 was used for installing:
 
 ```console
-$ nix-env -e subversion
+$ nix-env --uninstall subversion
 ```
 
 Upgrading to a new version is just as easy. If you have a new release of
 Nix Packages, you can do:
 
 ```console
-$ nix-env -uA nixpkgs.subversion
+$ nix-env --upgrade --attr nixpkgs.subversion
 ```
 
 This will *only* upgrade Subversion if there is a “newer” version in the
@@ -163,15 +163,15 @@ whatever version is in the Nix expressions, use `-i` instead of `-u`;
 You can also upgrade all packages for which there are newer versions:
 
 ```console
-$ nix-env -u
+$ nix-env --upgrade
 ```
 
 Sometimes it’s useful to be able to ask what `nix-env` would do, without
 actually doing it. For instance, to find out what packages would be
-upgraded by `nix-env -u`, you can do
+upgraded by `nix-env --upgrade `, you can do
 
 ```console
-$ nix-env -u --dry-run
+$ nix-env --upgrade --dry-run
 (dry run; not doing anything)
 upgrading `libxslt-1.1.0' to `libxslt-1.1.10'
 upgrading `graphviz-1.10' to `graphviz-1.12'
diff --git a/doc/manual/src/package-management/binary-cache-substituter.md b/doc/manual/src/package-management/binary-cache-substituter.md
index 5befad9f8..855eaf470 100644
--- a/doc/manual/src/package-management/binary-cache-substituter.md
+++ b/doc/manual/src/package-management/binary-cache-substituter.md
@@ -9,7 +9,7 @@ The daemon that handles binary cache requests via HTTP, `nix-serve`, is
 not part of the Nix distribution, but you can install it from Nixpkgs:
 
 ```console
-$ nix-env -iA nixpkgs.nix-serve
+$ nix-env --install --attr nixpkgs.nix-serve
 ```
 
 You can then start the server, listening for HTTP connections on
@@ -35,7 +35,7 @@ On the client side, you can tell Nix to use your binary cache using
 `--substituters`, e.g.:
 
 ```console
-$ nix-env -iA nixpkgs.firefox --substituters http://avalon:8080/
+$ nix-env --install --attr nixpkgs.firefox --substituters http://avalon:8080/
 ```
 
 The option `substituters` tells Nix to use this binary cache in
diff --git a/doc/manual/src/package-management/channels.md b/doc/manual/src/package-management/channels.md
index 93c8b41a6..8e4da180b 100644
--- a/doc/manual/src/package-management/channels.md
+++ b/doc/manual/src/package-management/channels.md
@@ -43,7 +43,7 @@ operations (via the symlink `~/.nix-defexpr/channels`). Consequently,
 you can then say
 
 ```console
-$ nix-env -u
+$ nix-env --upgrade
 ```
 
 to upgrade all packages in your profile to the latest versions available
diff --git a/doc/manual/src/package-management/copy-closure.md b/doc/manual/src/package-management/copy-closure.md
index d3fac4d76..14326298b 100644
--- a/doc/manual/src/package-management/copy-closure.md
+++ b/doc/manual/src/package-management/copy-closure.md
@@ -15,7 +15,7 @@ With `nix-store
 path (that is, the path and all its dependencies) to a file, and then
 unpack that file into another Nix store. For example,
 
-    $ nix-store --export $(nix-store -qR $(type -p firefox)) > firefox.closure
+    $ nix-store --export $(nix-store --query --requisites $(type -p firefox)) > firefox.closure
 
 writes the closure of Firefox to a file. You can then copy this file to
 another machine and install the closure:
@@ -27,7 +27,7 @@ store are ignored. It is also possible to pipe the export into another
 command, e.g. to copy and install a closure directly to/on another
 machine:
 
-    $ nix-store --export $(nix-store -qR $(type -p firefox)) | bzip2 | \
+    $ nix-store --export $(nix-store --query --requisites $(type -p firefox)) | bzip2 | \
         ssh alice@itchy.example.org "bunzip2 | nix-store --import"
 
 However, `nix-copy-closure` is generally more efficient because it only
diff --git a/doc/manual/src/package-management/profiles.md b/doc/manual/src/package-management/profiles.md
index d1a2580d4..1d9e672a8 100644
--- a/doc/manual/src/package-management/profiles.md
+++ b/doc/manual/src/package-management/profiles.md
@@ -39,7 +39,7 @@ just Subversion 1.1.2 (arrows in the figure indicate symlinks). This
 would be what we would obtain if we had done
 
 ```console
-$ nix-env -iA nixpkgs.subversion
+$ nix-env --install --attr nixpkgs.subversion
 ```
 
 on a set of Nix expressions that contained Subversion 1.1.2.
@@ -54,7 +54,7 @@ environment is generated based on the current one. For instance,
 generation 43 was created from generation 42 when we did
 
 ```console
-$ nix-env -iA nixpkgs.subversion nixpkgs.firefox
+$ nix-env --install --attr nixpkgs.subversion nixpkgs.firefox
 ```
 
 on a set of Nix expressions that contained Firefox and a new version of
@@ -127,7 +127,7 @@ All `nix-env` operations work on the profile pointed to by
 (abbreviation `-p`):
 
 ```console
-$ nix-env -p /nix/var/nix/profiles/other-profile -iA nixpkgs.subversion
+$ nix-env --profile /nix/var/nix/profiles/other-profile --install --attr nixpkgs.subversion
 ```
 
 This will *not* change the `~/.nix-profile` symlink.
diff --git a/doc/manual/src/package-management/ssh-substituter.md b/doc/manual/src/package-management/ssh-substituter.md
index c59933f61..7014c3cc8 100644
--- a/doc/manual/src/package-management/ssh-substituter.md
+++ b/doc/manual/src/package-management/ssh-substituter.md
@@ -6,7 +6,7 @@ automatically fetching any store paths in Firefox’s closure if they are
 available on the server `avalon`:
 
 ```console
-$ nix-env -iA nixpkgs.firefox --substituters ssh://alice@avalon
+$ nix-env --install --attr nixpkgs.firefox --substituters ssh://alice@avalon
 ```
 
 This works similar to the binary cache substituter that Nix usually
@@ -25,7 +25,7 @@ You can also copy the closure of some store path, without installing it
 into your profile, e.g.
 
 ```console
-$ nix-store -r /nix/store/m85bxg…-firefox-34.0.5 --substituters
+$ nix-store --realise /nix/store/m85bxg…-firefox-34.0.5 --substituters
 ssh://alice@avalon
 ```
 
diff --git a/src/nix/build.md b/src/nix/build.md
index ee414dc86..0fbb39cc3 100644
--- a/src/nix/build.md
+++ b/src/nix/build.md
@@ -44,7 +44,7 @@ R""(
   `release.nix`:
 
   ```console
-  # nix build -f release.nix build.x86_64-linux
+  # nix build --file release.nix build.x86_64-linux
   ```
 
 * Build a NixOS system configuration from a flake, and make a profile
diff --git a/src/nix/copy.md b/src/nix/copy.md
index 25e0ddadc..199006436 100644
--- a/src/nix/copy.md
+++ b/src/nix/copy.md
@@ -15,7 +15,7 @@ R""(
   SSH:
 
   ```console
-  # nix copy -s --to ssh://server /run/current-system
+  # nix copy --substitute-on-destination --to ssh://server /run/current-system
   ```
 
   The `-s` flag causes the remote machine to try to substitute missing
diff --git a/src/nix/develop.md b/src/nix/develop.md
index c49b39669..1b5a8aeba 100644
--- a/src/nix/develop.md
+++ b/src/nix/develop.md
@@ -69,7 +69,7 @@ R""(
 * Run a series of script commands:
 
   ```console
-  # nix develop --command bash -c "mkdir build && cmake .. && make"
+  # nix develop --command bash --command "mkdir build && cmake .. && make"
   ```
 
 # Description
diff --git a/src/nix/eval.md b/src/nix/eval.md
index 3b510737a..48d5aa597 100644
--- a/src/nix/eval.md
+++ b/src/nix/eval.md
@@ -18,7 +18,7 @@ R""(
 * Evaluate a Nix expression from a file:
 
   ```console
-  # nix eval -f ./my-nixpkgs hello.name
+  # nix eval --file ./my-nixpkgs hello.name
   ```
 
 * Get the current version of the `nixpkgs` flake:
diff --git a/src/nix/flake-check.md b/src/nix/flake-check.md
index 07031c909..c8307f8d8 100644
--- a/src/nix/flake-check.md
+++ b/src/nix/flake-check.md
@@ -68,6 +68,6 @@ The following flake output attributes must be
 In addition, the `hydraJobs` output is evaluated in the same way as
 Hydra's `hydra-eval-jobs` (i.e. as a arbitrarily deeply nested
 attribute set of derivations). Similarly, the
-`legacyPackages`.*system* output is evaluated like `nix-env -qa`.
+`legacyPackages`.*system* output is evaluated like `nix-env --query --available `.
 
 )""
diff --git a/src/nix/nar-ls.md b/src/nix/nar-ls.md
index d373f9715..5a03c5d82 100644
--- a/src/nix/nar-ls.md
+++ b/src/nix/nar-ls.md
@@ -5,7 +5,7 @@ R""(
 * To list a specific file in a NAR:
 
   ```console
-  # nix nar ls -l ./hello.nar /bin/hello
+  # nix nar ls --long ./hello.nar /bin/hello
   -r-xr-xr-x                38184 hello
   ```
 
@@ -13,7 +13,7 @@ R""(
   format:
 
   ```console
-  # nix nar ls --json -R ./hello.nar /bin
+  # nix nar ls --json --recursive ./hello.nar /bin
   {"type":"directory","entries":{"hello":{"type":"regular","size":38184,"executable":true,"narOffset":400}}}
   ```
 
diff --git a/src/nix/nix.md b/src/nix/nix.md
index 1ef6c7fcd..8a850ae83 100644
--- a/src/nix/nix.md
+++ b/src/nix/nix.md
@@ -197,7 +197,7 @@ operate are determined as follows:
   of all outputs of the `glibc` package in the binary cache:
 
   ```console
-  # nix path-info -S --eval-store auto --store https://cache.nixos.org 'nixpkgs#glibc^*'
+  # nix path-info --closure-size --eval-store auto --store https://cache.nixos.org 'nixpkgs#glibc^*'
   /nix/store/g02b1lpbddhymmcjb923kf0l7s9nww58-glibc-2.33-123                 33208200
   /nix/store/851dp95qqiisjifi639r0zzg5l465ny4-glibc-2.33-123-bin             36142896
   /nix/store/kdgs3q6r7xdff1p7a9hnjr43xw2404z7-glibc-2.33-123-debug          155787312
@@ -208,7 +208,7 @@ operate are determined as follows:
   and likewise, using a store path to a "drv" file to specify the derivation:
 
   ```console
-  # nix path-info -S '/nix/store/gzaflydcr6sb3567hap9q6srzx8ggdgg-glibc-2.33-78.drv^*'
+  # nix path-info --closure-size '/nix/store/gzaflydcr6sb3567hap9q6srzx8ggdgg-glibc-2.33-78.drv^*'
   …
   ```
 * If you didn't specify the desired outputs, but the derivation has an
diff --git a/src/nix/path-info.md b/src/nix/path-info.md
index 6ad23a02e..2dda866d0 100644
--- a/src/nix/path-info.md
+++ b/src/nix/path-info.md
@@ -13,7 +13,7 @@ R""(
   closure, sorted by size:
 
   ```console
-  # nix path-info -rS /run/current-system | sort -nk2
+  # nix path-info --recursive --closure-size /run/current-system | sort -nk2
   /nix/store/hl5xwp9kdrd1zkm0idm3kkby9q66z404-empty                                                96
   /nix/store/27324qvqhnxj3rncazmxc4mwy79kz8ha-nameservers                                         112
   …
@@ -25,7 +25,7 @@ R""(
   readable sizes:
 
   ```console
-  # nix path-info -rsSh nixpkgs#rustc
+  # nix path-info --recursive --size --closure-size --human-readable nixpkgs#rustc
   /nix/store/01rrgsg5zk3cds0xgdsq40zpk6g51dz9-ncurses-6.2-dev      386.7K   69.1M
   /nix/store/0q783wnvixpqz6dxjp16nw296avgczam-libpfm-4.11.0          5.9M   37.4M
   …
@@ -34,7 +34,7 @@ R""(
 * Check the existence of a path in a binary cache:
 
   ```console
-  # nix path-info -r /nix/store/blzxgyvrk32ki6xga10phr4sby2xf25q-geeqie-1.5.1 --store https://cache.nixos.org/
+  # nix path-info --recursive /nix/store/blzxgyvrk32ki6xga10phr4sby2xf25q-geeqie-1.5.1 --store https://cache.nixos.org/
   path '/nix/store/blzxgyvrk32ki6xga10phr4sby2xf25q-geeqie-1.5.1' is not valid
 
   ```
@@ -57,7 +57,7 @@ R""(
   size:
 
   ```console
-  # nix path-info --json --all -S \
+  # nix path-info --json --all --closure-size \
     | jq 'map(select(.closureSize > 1e9)) | sort_by(.closureSize) | map([.path, .closureSize])'
   [
     …,
diff --git a/src/nix/search.md b/src/nix/search.md
index 4caa90654..0c5d22549 100644
--- a/src/nix/search.md
+++ b/src/nix/search.md
@@ -52,12 +52,12 @@ R""(
 * Search for packages containing `neovim` but hide ones containing either `gui` or `python`:
 
   ```console
-  # nix search nixpkgs neovim -e 'python|gui'
+  # nix search nixpkgs neovim --exclude 'python|gui'
   ```
   or
 
   ```console
-  # nix search nixpkgs neovim -e 'python' -e 'gui'
+  # nix search nixpkgs neovim --exclude 'python' --exclude 'gui'
   ```
 
 # Description
diff --git a/src/nix/shell.md b/src/nix/shell.md
index 13a389103..1668104b1 100644
--- a/src/nix/shell.md
+++ b/src/nix/shell.md
@@ -19,26 +19,26 @@ R""(
 * Run GNU Hello:
 
   ```console
-  # nix shell nixpkgs#hello -c hello --greeting 'Hi everybody!'
+  # nix shell nixpkgs#hello --command hello --greeting 'Hi everybody!'
   Hi everybody!
   ```
 
 * Run multiple commands in a shell environment:
 
   ```console
-  # nix shell nixpkgs#gnumake -c sh -c "cd src && make"
+  # nix shell nixpkgs#gnumake --command sh --command "cd src && make"
   ```
 
 * Run GNU Hello in a chroot store:
 
   ```console
-  # nix shell --store ~/my-nix nixpkgs#hello -c hello
+  # nix shell --store ~/my-nix nixpkgs#hello --command hello
   ```
 
 * Start a shell providing GNU Hello in a chroot store:
 
   ```console
-  # nix shell --store ~/my-nix nixpkgs#hello nixpkgs#bashInteractive -c bash
+  # nix shell --store ~/my-nix nixpkgs#hello nixpkgs#bashInteractive --command bash
   ```
 
   Note that it's necessary to specify `bash` explicitly because your
diff --git a/src/nix/store-ls.md b/src/nix/store-ls.md
index 836efce42..14c4627c9 100644
--- a/src/nix/store-ls.md
+++ b/src/nix/store-ls.md
@@ -5,7 +5,7 @@ R""(
 * To list the contents of a store path in a binary cache:
 
   ```console
-  # nix store ls --store https://cache.nixos.org/ -lR /nix/store/0i2jd68mp5g6h2sa5k9c85rb80sn8hi9-hello-2.10
+  # nix store ls --store https://cache.nixos.org/ --long --recursive /nix/store/0i2jd68mp5g6h2sa5k9c85rb80sn8hi9-hello-2.10
   dr-xr-xr-x                    0 ./bin
   -r-xr-xr-x                38184 ./bin/hello
   dr-xr-xr-x                    0 ./share
@@ -15,7 +15,7 @@ R""(
 * To show information about a specific file in a binary cache:
 
   ```console
-  # nix store ls --store https://cache.nixos.org/ -l /nix/store/0i2jd68mp5g6h2sa5k9c85rb80sn8hi9-hello-2.10/bin/hello
+  # nix store ls --store https://cache.nixos.org/ --long /nix/store/0i2jd68mp5g6h2sa5k9c85rb80sn8hi9-hello-2.10/bin/hello
   -r-xr-xr-x                38184 hello
   ```
 
diff --git a/src/nix/upgrade-nix.md b/src/nix/upgrade-nix.md
index 08757aebd..cce88c397 100644
--- a/src/nix/upgrade-nix.md
+++ b/src/nix/upgrade-nix.md
@@ -11,7 +11,7 @@ R""(
 * Upgrade Nix in a specific profile:
 
   ```console
-  # nix upgrade-nix -p ~alice/.local/state/nix/profiles/profile
+  # nix upgrade-nix --profile ~alice/.local/state/nix/profiles/profile
   ```
 
 # Description
diff --git a/src/nix/verify.md b/src/nix/verify.md
index cc1122c02..e1d55eab4 100644
--- a/src/nix/verify.md
+++ b/src/nix/verify.md
@@ -12,7 +12,7 @@ R""(
   signatures:
 
   ```console
-  # nix store verify -r -n2 --no-contents $(type -p firefox)
+  # nix store verify --recursive --sigs-needed 2 --no-contents $(type -p firefox)
   ```
 
 * Verify a store path in the binary cache `https://cache.nixos.org/`: