Settings that control what a user can access and modify. Useful for locking down sensitive files.

A secret phrase that grants access to an account. The longer and more random, the better.

For temporarily sharing your computer. Has very limited access to files and settings.

A normal account for day-to-day use. Can’t accidentally (or purposely!) mess up the system.

Like a super user. Has permission to install programs and change system settings.

A profile for logging into a system. Can be an administrator (full control) or standard user (limited).