Today my friend wrote a blog post titled “A Useful Command”, which inspired me to do the same. Except instead of one command, you get six! And I know one of my first blog posts was about a similar topic, but this post has completely different commands.

CommandDescription
time readSimple stopwatch
gduReally fast disk usage analyzer
sdInsanely fast flash cards app (shameless self-promotion)
scrcpyMirror and control an Android device from a computer
systemd-nspawnContainer tool that you probably already have installed
inotifywaitWait for file change (useful in scripts)