Use long options instead of short ones

It is a little hard to learn what the options mean.
This commit is contained in:
Clemens Tolboom 2021-02-13 15:18:08 +01:00 committed by John Ericson
parent a88ae62bc0
commit 8c09888de4

View file

@ -19,7 +19,7 @@ to subsequent chapters.
channel:
```console
$ nix-env -qaP
$ nix-env --query --available --attr-path
nixpkgs.docbook_xml_dtd_43 docbook-xml-4.3
nixpkgs.docbook_xml_dtd_45 docbook-xml-4.5
nixpkgs.firefox firefox-33.0.2
@ -31,7 +31,7 @@ to subsequent chapters.
1. Install some packages from the channel:
```console
$ nix-env -iA nixpkgs.hello
$ nix-env --install --attr nixpkgs.hello
```
This should download pre-built packages; it should not build them
@ -49,13 +49,13 @@ to subsequent chapters.
1. Uninstall a package:
```console
$ nix-env -e hello
$ nix-env --uninstall hello
```
1. You can also test a package without installing it:
```console
$ nix-shell -p hello
$ nix-shell --profile hello
```
This builds or downloads GNU Hello and its dependencies, then drops
@ -76,7 +76,7 @@ to subsequent chapters.
```console
$ nix-channel --update nixpkgs
$ nix-env -u '*'
$ nix-env --upgrade '*'
```
The latter command will upgrade each installed package for which
@ -95,5 +95,5 @@ to subsequent chapters.
them:
```console
$ nix-collect-garbage -d
$ nix-collect-garbage --delete-old
```