Users and Groups

Part of the Linux course

Every command you have run so far, you ran as one particular account without ever being asked who you were. But Linux was built from day one to be shared: many people, or many unattended services, using the same machine at once, each with their own files and their own limits on what they are allowed to touch. This lesson makes that sharing visible.

You met whoami back in the very first lesson. It prints exactly one thing, your username ...