Linux Commands for 99 Bottles of Beer and Disk Space

“Linux server admins need good scripting skills and command-line
chops, but who says they can’t be fun? Learn Bash Karaoke with 99
Bottles of Beer on the Wall, quickly find disk hogs, and display
used/free disk space.

“I haven’t had time to finish setting up my Arch Linux backup
server to do automatic wakeups, backups, and shutdowns, so here are
some fun command-line hacks instead.

“99 Bottles of Beer on the Wall

“How about a bit of geek Karaoke? Just copy and paste this into
a Bash session, and it will look like this:”