I bet you can do what you want with file system permissions though, if you're clever. IF not, you should look into using ACLs. Provided your kernel and filesystem have support for them (ext2/3, ...

Because of its Unix heritage, Mac OS X is a true multi-user operating system from the ground up. Yet some people have used Mac OS X for many months without fully realizing what this means -- as the ...

Viewing the content of files and examining access permissions and such are very different options. This post examines a number of ways to look at files on Linux. There are a number of ways to view ...