Take a look at China's first open source OS and learn about the origins of btrfs filesystem among other things in this newsletter.

get familiar with the cp command for copying files and directories in the Linux command line.

Time to use arrays in bash shell scripts in this chapter. Learn to add elements, delete them and get array length.

Unraveling the mystery of exit codes in Linux. Learn what are the exit codes and why and how they are used.

Red Hat fiasco continues and we have an opinion on it. Apart from that you see the continuation of our Bash Basics and Terminal Tuesday series.

Make the special occasion for your loved ones even more special by creating an ASCII birthday animation in the Linux terminal.

Learn the logic behind each step you have to follow for adding an external repository in Ubuntu and installing packages from it.

Getting a warning that the boot partition has no space left? Here are some ways you can free up space on the boot partition in Ubuntu Linux.

Wondering which Ubuntu version you’re using? Here’s how to check your Ubuntu version, desktop environment and other relevant system information.