Learn how to use conditional expressions in Shell
Here's what I've written (so far):
Learn how to repeat a Linux command at a given interval.
Do we need to recursively list directories that contain symlinks? Let’s find out how in this tutorial.
Learn how to control directory-copies.
Learn how to append lines to the end of a file in Linux.
Learn about the differences between defining a bash variable with export and without export.
Certain characters cause problems when we use them in command arguments. Let's see how double-dash could be the solution.
Learn about the /opt directory in Linux and when/how to use it.
Learn several ways of finding disk consumption points so that we can free up disk space
Learn about iptables which is a user-space firewall that filters connections based on user-defined rules