macOS (previously Mac OS X, then OS X) is a series of graphical operating systems developed and marketed by Apple Inc. since 2001. It is the primary operating system for Apple's Mac family of computers.[1]. zsh is the default shell replacing Bash since October 2019.

macOS logo
macOS logo


  • How to create a folder
  • pkgutil software package management tool
  • homebrew software package management tool
  • Install additional software using Homebrew package management software and brew command.
  • launchd init and operating system service management daemon for MacOS. Path: /Library/LaunchAgents/[2]
sudo launchctl load YOUR_NEW_SERVICE.plist
sudo launchctl start com.XXXX.YOUR_NEW_SERVICE

  • Create a user from command line: sysadminctl -addUser YOUR_USERNAME
  • Display your DNS configuration in macOS running: scutil --dns
  • Sleep your macOS from command line:pmset sleepnow
  • Enable ssh from command line:
Enable: sudo systemsetup -setremotelogin on[3]
Disable: sudo systemsetup -setremotelogin off
Status: sudo systemsetup -getremotelogin



See Also