The Linux script command has been around for ages and provides a simple but useful service. It lets you record command line activity – both input and output.

Want to know the tricks of replacing a variable in a file using the SED command? This article will give you an overview of replacing a variable value in a file using SED. Before replacing a variable ...

The Linux command line interface provides a wealth of tools for text processing, and one of the most powerful among them is the sed command. Sed, an abbreviation for Stream EDitor, is a versatile tool ...

A series of commands ranging from simple to fairly complex will help you count lines, words or individual characters on the Linux command line.