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.

This article will introduce the concept of playing a file line by line in Linux with the help of examples and best user tips. We'll walk you through some of the most common errors made when reading a ...

The Linux fold takes lines of text and breaks them into chunks based on the arguments that you provide. With no arguments, fold will break lines at 80 characters. The first example below uses a single ...

Linux provides a lot of handy commands for manipulating text files. This post explains how to use a collection of them. Whenever you need to work with lists that are stored as text files on Linux – ...