What is “rainbarf” Package?

CPU/RAM/battery stats chart bar for tmux (and GNU screen)
For more details: https://github.com/creaktive/rainbarf

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 rainbarf.

  brew install rainbarf

Now, use rainbarf!