Similar to IBSYS
BESYS
BESYSDOS/360
DOS/360 and successorsGM-NAA I/O
GM-NAA I/OMultiple Virtual Storage
MVSOS/360
OS/360 and successorsOS/390
OS/390SHARE OS
SHARE Operating SystemTransaction Processing Facility
Transaction Processing FacilityZ/VSE
VSE (operating system)Z/VM
Z/VMZ/OS
Z/OSACOS-2
ACOS-4
ACOS-6
Advanced Comprehensive Operating System
Advanced Comprehensive Operating SystemGCOS
General Comprehensive Operating SystemOS2200
OS 2200UXP (オペレーティングシステム)
UXP/M
VOS3
Template:IBM operating systems
Template:IBM operating systemsAIX
IBM AIXDOS/V
DOS/VIBM i
IBM iIBM PC DOS
IBM PC DOSIBM Workplace OS
Workplace OSIBMメインフレーム用オペレーティングシステムの歴史
History of IBM mainframe operating systemsMS-DOS
MS-DOS▲1 trends