This tells SSH to use the work identity specifically for that connection.
This tool allows Ubuntu power users to maintain "flow state," managing repositories, actions, and secrets entirely from the command line. github on ubuntu
Deep Tip: When prompted for a file location, press Enter for the default ( ~/.ssh/id_ed25519 ). When asked for a passphrase, add one. This encrypts your private key locally, so even if your machine is compromised, the key cannot be used without the passphrase. This tells SSH to use the work identity