June 2025
Beginner to intermediate
1180 pages
37h 48m
English
Content preview from Linux
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14.5 Users, Groups, and Passwords
On Linux, access rights control who can access which files, who can run which programs, and who can access which hardware components or device files (see Chapter 9, Section 9.6). These access rights are based on user administration: By default, various users are set up during the installation of Linux. Each user is assigned to at least one, but possibly several groups. Groups are used to allow multiple users to access common files or programs.
By its very nature, user management provides the option to set up multiple users on one computer, who can then log in and work in isolation from each other. However, user management is also important if you work alone on your Linux computer: For security reasons, many ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.