July 2002
Beginner
528 pages
12h 5m
English
Content preview from Sams Teach Yourself Unix System Administration in 24 Hours
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Hour 4 File Ownership
After you’ve wrestled with how to figure out how much disk space you have and how to manage it (Hour 3, ″Disk Usage″), the next logical topic is how to change the ownership of files and directories. Although this might seem like a simple topic, this hour demonstrates some of the nuances of file management necessary for a Unix file and system administrator.
In this hour, you will learn
• To use commands like ls and chmod to work with file and directory ownership
• The intricacies of the /etc/passwd file
• The concepts of Unix groups and /etc/group
Starting at the Beginning: Permission Strings
Any discussion of file and directory ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.