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.

The first command we’ll examine in this post is a very unusual awk command that systematically removes every line in the file that is encountered more than once. It leaves the first instance of the ...

Understanding how to delete a file in Linux is an important part of a keeping your computer's file system well-organized. Without regular maintenance, hard drives can quickly become disorganized ...