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.

Ooooh, great article to wake up to. I find the following alias commands, which I set system wide in /etc/profile.d/custom.sh, on my primary file server and anything ...

The --version (-V) option goes hand-in-hand with --help because it helps you find out about the program, and it’s usually supported where --help is. Traditionally, the --version option prints the ...

Learn how to append text to files in Linux using commands like double redirection operator, tee, and sed without overwriting existing data.