This command provides a quick overview of all branches on remote repositories by listing them locally with the -r flag.
It works by invoking the normal git branch operation but filters the output to only show remote-tracking branches—-r is shorthand for --remotes, and each listed branch is prefixed with its remote name (for example, origin/main).
Variations include using -a (or --all) to list both local and remote branches, adding -v for verbose commit info, or combining flags like git branch -rv. You can also use git remote show <remote> to inspect branches on a specific remote.