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nix-collect-garbage:tldr:0bfbe
The command sudo nix-collect-garbage --delete-old --dry-run
is used to collect and delete unnecessary or unused files from the Nix package manager's binary cache.
Here is what each part of the command does:
-
sudo
: This command is used to execute the following command with administrative privileges. It allows the user to perform actions that require root or superuser access. -
nix-collect-garbage
: This is a Nix command that clears unneeded files from the binary cache. -
--delete-old
: This flag tellsnix-collect-garbage
to remove old entries from the binary cache. It deletes unused packages, generations, and other outdated files. -
--dry-run
: This flag is used for testing purposes and allows you to preview the changes that will be made without actually deleting anything. It shows a list of files that would be removed if the command were run without the--dry-run
flag.
By running sudo nix-collect-garbage --delete-old --dry-run
, you can see the list of files and packages that would be deleted if the command were executed without the --dry-run
flag. It helps you understand the impact of the command and make sure you're not unintentionally removing important files.