A series of commands ranging from simple to fairly complex will help you count lines, words or individual characters on the Linux command line. Linux includes some useful commands for counting when it ...

One surprisingly easy command for grabbing a portion of every line in a text file on a Linux system is cut. It works something like awk in that it allows you to select only what you want to see from ...

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 ...