OASIS operating system was created in 1977.
Idris - operating system - was created in 1979.
Solaris - operating system - was created in 1992.
RMX - operating system - was created in 1980.
SHARE Operating System was created in 1959.
Pick operating system was created in 1965.
VM - operating system - was created in 1972.
Ubuntu - operating system - was created on 2004-10-20.
Myarc Disk Operating System was created in 1987.
AROS Research Operating System was created in 1997.
ROS - Robot Operating System - was created in 2007.
Incognito - operating system - was created on 2008-01-26.
Divine Operating System was created on 2002-09-10.