![Forrest logo](/images/logo.png)
nix-env:tldr:315f7
nix-env: Upgrade all packages.
$ nix-env -u
try on your machine
The nix-env -u
command is used to upgrade already installed packages in your Nix package set.
Here is a breakdown of what each part of the command does:
nix-env
is the Nix package manager's command-line tool that allows managing packages in your package set.-u
is a flag or option for thenix-env
command. In this context, it stands for "upgrade". It instructsnix-env
to upgrade the specified packages.
By executing nix-env -u
, you are telling the nix-env
command to check for available updates for the packages already installed in your package set and upgrade them if updates are found.
It's important to note that this command will only upgrade the packages that were installed using the nix-env
command. If a package was installed by other means or managed by another tool, it won't be affected by this command.
This explanation was created by an AI. In most cases those are correct. But please always be careful and
never run a command you are not sure if it is safe.