Just as your office file cabinets should be off-limits to competitors and snoops, access to the files on your company's computers should be restricted as well. The CentOS operating system enables you ...

Linux is a multi-user operating system. What does that mean? Like all good operating systems, you can have multiple user accounts on one machine. You can also have more than one user logged in at once ...

One way to get a little more clarity on this is to look at the permissions with the stat command. The fourth line of stat’s output displays the file permissions both in octal and string format: $ stat ...

The operating system your MacBook runs, OS X, is built on top of UNIX, and Terminal provides you with access to the underlying UNIX system commands. Most server software that your business would want ...