Editing List of operating systems (section)

====On other hardware platforms====<!--IBM-->
* [[IBM Series/1]]
** [[IBM Series/1#Software support|EDX]] ([[Event Driven Executive]])
** [[IBM Series/1#Software support|RPS]] (Realtime Programming System)
** [[IBM Series/1#Software support|CPS]] (Control Programming Support, subset of RPS)
** [[SerIX]] (Unix on Series/1)
* [[IBM 1130]]
** [[IBM 1130#Operating procedure|DMS]] (Disk Monitor System)
* [[IBM 1800]]
** [[IBM 1800 TSX|TSX]] (Time Sharing eXecutive)
** [[IBM 1800 MPX|MPX]] (Multi Programming eXecutive)
* [[IBM 8100]]
** [[IBM 8100 DPCX|DPCX]] (Distributed Processing Control eXecutive)
** [[IBM 8100 DPPX|DPPX]] (Distributed Processing Programming Executive)
* [[IBM System/3]]
** DMS (Disk Management System)
* [[IBM System/34]], [[IBM System/36]]
** [[System Support Program|SSP]] (System Support Program)
* [[IBM System/38]]
** [[Control Program Facility|CPF]] (Control Program Facility)
* [[IBM System/88]]
** [[Stratus VOS]] (developed by [[Stratus Technologies|Stratus]], and used for IBM [[System/88]], [[Original equipment manufacturer]] from Stratus)
* [[IBM AS/400]], iSeries, System i, [[IBM Power Systems]]
** [[IBM i]] (previously known as OS/400 and i5/OS, descendant of System/38 CPF, includes System/36 SSP and AIX environment)
* [[UNIX]] on [[IBM RT PC]]
** [[Academic Operating System|AOS]] (a BSD Unix version, not related to [[Data General]] AOS)
** [[IBM AIX#IBM RT PC|AIX]] (Advanced Interactive eXecutive, a System V Unix version)
* [[UNIX]] on [[IBM POWER Instruction Set Architecture|POWER ISA]], [[PowerPC]], and [[Power ISA]]
** [[IBM AIX#POWER ISA/PowerPC/Power ISA-based systems|AIX]] (Advanced Interactive eXecutive, a System V Unix version)
* Others
** [[Workplace OS]] (a [[microkernel]] based operating system including OS/2, developed and canceled in the 1990s)
** [[K42]] (open-source research operating system on [[PowerPC]] or [[x86]] based cache-coherent multiprocessor systems)
** [[Dynix]] (developed by [[Sequent Computer Systems|Sequent]], and used for IBM [[NUMA-Q]] too)