One of the files that the average Unix sysadmin rarely looks at, almost never changes and yet depends on every time he or she reboots a system is the /etc/inittab file. This modest little file ...

Permissions have two parts: an action and a set of users. The three actions—read, write, and execute—define what can be done ...

Back in the early days of Linux, things were exponentially more complicated. The distributions were far less mature and required a particular system account to get things done. That account was root - ...

A series of commands ranging from simple to fairly complex will help you count lines, words or individual characters on the Linux command line. Linux includes some useful commands for counting when it ...