MacOS

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.

• 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

• defaults
• system_profiler
• ifconfig
• networksetup
• hdiutil disk image manipulation tool
• AppleScript: osascript. Example: osascript -e 'display notification "Lorem ipsum dolor sit amet" with title "Title"'
• pbcopy^[4] Copy to clipboard^[5]
• mdfind finds files matching a given query. Similar to locate command in Linux.

• Wikipedia: macOS
• Wikipedia: Macintosh
• Wikipedia: Macintosh operating systems

Educational level: this is a secondary education resource.