Linux
Awk BuiltIn Variables
Awk If Statement
YUM Commands for Package Management
Useful tips for Debian based distros
How Modify Systemd Unit Files Right Way
GNU Regex POSIX character classes
How to remove/delete CTRL-M (^M) characters from text files in Linux and UNIX systems
AWK as Grep
Colorize linux programs output
Learn how to make your Bash/Shell script colourful and attractive without installing any plugins and configuration.
7-bit ASCII Character Codes
