UNIX provides robust tools and infrastructure so that you can both protect and share information. This article looks at user privileges and, in particular, examines how to manipulate file permissions to restrict or share your directories and files with others. Understanding permissions is crucial if you want to speak UNIX fluently. Learn how to manipulate file permissions to protect your files, or share them with others.
Is it me or does this article fail to mention “setgid”? I’m no UNIX/Linux guru (if their is such a thing!) but other than that omission I found it quite well written.
The article isn’t complete,but touches the basis very well i think.I missed chattr for example chattr,as in chattr + i (permutable flag).
Edited 2006-10-22 18:18