Operating System Unit Project

  • rhapsody developer released

    the first version of mac released
  • Mac OS X Server 1.0 released

    codename: hera most recent release is 1.2v3 (October 27, 2000)
  • public beta first release

    early beta version of Apple Computer's Mac OS X operating system Cheetah
  • Mac OS X Cheetah was first released to the public

    Mac OS X Cheetah was first released to the public
    Mac OS X 'Cheetah' first release
  • Mac OS X v10.1 "Puma" was released

    Mac OS X v10.1 "Puma" was released
    Mac OS X v10.1 "Puma" was released
  • Mac OS X V10.2 "Jaguar" released

    the third major release of Mac OS X
  • Mac OS X v10.3 ''Panther" released

    fourth major release of Mac OS X
  • Mac OS X v10.4 "Tiger" released

    Tiger was included with all new Macintosh computers, and was also available as an upgrade for existing Mac OS X users
  • Mac OS X v10.5 "Leopard" released

    Leopard contains over 300 changes and enhancements over its predecessor
  • Mac OS X v10.6 "Snow Leopard" released

    The goals with Snow Leopard were improved performance, greater efficiency and the reduction of its overall memory footprint.
  • Mac OS X v10.7 "Lion" released

    brings developments like easily navigable display of installed applications, to the Mac, and includes support for the Mac App Store.