git clone <repo_url>

This command is used to create a copy of a remote Git repository on your local machine. By providing the argument, you specify the URL of the repository you want to clone.

The command will create a new directory on your machine with the same name as the repository, and initialize a new Git repository within it. It will then fetch all the files and version history from the remote repository and set up the necessary tracking branches.

Variations of this command include using the --depth flag to clone only a specific number of the most recent commits, and using the --branch flag to checkout a specific branch of the repository.