What is “zzz” Package?

Command-line tool to put Macs to sleep
For more details: https://github.com/Orc/Zzz

Installation

• Open Terminal by pressing command+space then type terminal and hit Enter key.
• Install homebrew first.

  ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" < /dev/null 2> /dev/null

• Install zzz.

  brew install zzz

Now, use zzz!