If you visit my platforms page,  you’ll see a large number of PC up to the old grand IBM 360 Mainframe that I have used and developed for.  I believe this is the complete list of Operating Systems those platforms used.

Operating Systems

  • Android
  • Apple IOS (iPhone and iPad)
  • Apple OS9
  • Apple OSX
  • DEC PDP
  • DEC VAX/VMS
  • GCOS
  • GEM
  • MPE
  • MS WIndows – all flavors
  • MS-DOS/DR-DOS
  • UNIX – BSD, Debian, Ubuntu, Arch