diff options
Diffstat (limited to 'doc/manual')
| -rw-r--r-- | doc/manual/nix-env.xml | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/doc/manual/nix-env.xml b/doc/manual/nix-env.xml index 92becccba706..3bfcb15dbac2 100644 --- a/doc/manual/nix-env.xml +++ b/doc/manual/nix-env.xml @@ -1167,10 +1167,12 @@ $ nix-env --list-generations <refsection><title>Description</title> <para>This operation deletes the specified generations of the current -profile. The generations can be a list of generation numbers, or the +profile. The generations can be a list of generation numbers, the special value <literal>old</literal> to delete all non-current -generations. Periodically deleting old generations is important to -make garbage collection effective.</para> +generations, or a value such as <literal>30d</literal> to delete all +non-current generations older than the specified number of days. +Periodically deleting old generations is important to make garbage +collection effective.</para> </refsection> @@ -1179,6 +1181,8 @@ make garbage collection effective.</para> <screen> $ nix-env --delete-generations 3 4 8 +$ nix-env --delete-generations 30d + $ nix-env -p other_profile --delete-generations old</screen> </refsection> |