Celebrating 50 years of the UNIX Operating system

unix50.org is a service of the SDF Public Access UNIX System and the Interim Computer Museum!!

  • Find out more about the SDF at sdf.org
  • Find out more about the ICM at icm.museum

    When you connect you'll be able to CREATE and DESTROY an entire UNIX system on a whim.
    Use unix50.org to learn about old and significant versions of UNIX on emulated hardware.

    UNIX Systems available

      UNICS (Version Zero)   PDP-7       Summer   1969
      First Edition UNIX     PDP-11/20   November 1971
      Fifth Edition UNIX     PDP-11/40   June     1974
      Sixth Edition UNIX     PDP-11/45   May      1975
      Seventh Edition UNIX   PDP-11/70   January  1979
      Research UNIX 8        VAX-11/750           1981
      AT&T UNIX System III   PDP-11/70   Fall     1982
      AT&T UNIX System V     PDP-11/70            1983
      AT&T UNIX System V     3b2/400              1984
      4.3 BSD                MicroVAX    June     1986
      2.11 BSD               PDP-11/70   January  1992

    How to CONNECT

    There are two methods of connecting:

  • ssh client such as putty or OpenSSH on macos/bsd/linux
  • ex. ssh unix50@unix50.org

  • Use the SDF HTML5 SSH site
  • Visit: ssh.sdf.org
  • Just press '[ENTER]' and login as user 'unix50'

    How To Do STUFF?

    Check out the SDF User Contributed Tutorials and WIKI

  • sdf.org?tutorials/unix50th
  • wiki.sdf.org