Unix utility SED provides an effective and versatile way of deleting one or more lines from a designated file to match the needs of the user. This Unix command is used for command line processing.

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

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 ...

You can examine the contents of compressed files on Linux systems without uncompressing the files or changing them in any way. This post explains the commands for doing that and the types of ...