MacOS

MacOS is a graphical operating system.

  • Darwin is the actual operating system that is used, and it is built with the Unix philosophy.
  • Darwin can be thought of as the set of components upon which MacOS is built

Launch Agent

  • a launch agent is a simple script used by launchd that causes the system to run programs at system startup.
    • ex. postgres, Dropbox

Children
  1. Launchd
  2. Time Mach