How to reverse file content using sed command ?
In this post, we will at an interesting way how to reverse a file content using sed(stream editor) command. I. TAC Command: Command to reverse file content. ### Create a...
In Linux, Character Classes is a group of characters which are responsible to perform pattern matching. Character Classes are defined using “[]” i.e. square brackets and matches any of the...
1. Introduction IFS stands for Internal Field Separator in Linux. $IFS is one of the system variable with default value “space, tab, and a new line”. This system variable signifies...