Useful Commands to Create Command Line Chat Server and Remove Unwanted Packages in Linux

In this post, we will be introducing 6 command line tips created in Linux command line chat using Netcat command, performing addition of a column on the fly from the output of a command, removing orphan packages from Debian and CentOS, getting local and remote IP from command line, getting colored output in terminal and decoding various color codes, and last but not least, hashtag implementation in Linux command line.