git remote [-v | --verbose]git remote add [-t <branch>] [-m <master>] [-f] [--[no-]tags] [--mirror=<fetch|push>] <name> <url>git remote rename <old> <new>git remote remove <name>git remote set-head <name> (-a | --auto | -d | --delete | <branch>)git remote set-branches [--add] <name> <branch>…git remote get-url [--push] [--all] <name>git remote set-url [--push] <name> <newurl> [<oldurl>]git remote set-url --add [--push] <name> <newurl>git remote set-url --delete [--push] <name> <url>git remote [-v | --verbose] show [-n] <name>…git remote prune [-n | --dry-run] <name>…git remote [-v | --verbose] update [-p | --prune] [(<group> | <remote>)…]A remote is a named link representing another git repository. You can download content of remote repositories locally and e.g. merge changes from remotes.
This is useful when you're working on a fork of another repository and want an easy way to merge changes in the original repository.