These people have obviously never seen someone who uses a shell proficiently. In this tutorial, I hope to show you just a few of the amazing features bash provides that will increase your productivity in the shell. You'd be surprised.
Most modern distributions come with bash history enabled and working.
If you've never done so before, try using the up and down arrow keys to scroll through your command history. The up arrow will cycle through your command history from newest to oldest, and the down arrow does, well, the opposite. As luck would have it, different terminals handle arrow keys differently, so the brilliant minds behind bash came up with additional methods for accessing and making use of the command history. We'll start with history . This command simply gives you a numbered list of the commands you've entered with the oldest command having the smallest number.