How-To Geek on MSN

How to Use the chmod Command on Linux

You use the chmod command to set each of these permissions. To see what permissions have been set on a file or directory, we ...
Computerworld

Unix Tip: Using fuser to Identify Users and Processes

The fuser (pronounced “ef-user”) command is a very handy command for determining who is currently using a particular file or directory. If one user can’t access a file because another user has it ...