Category:メインフレームのオペレーティングシステム
ACOS-6

Z/VM
Z/VM
OS/360
OS/360 and successors
UXP/M

Advanced Comprehensive Operating System
Advanced Comprehensive Operating System
BESYS
BESYS
GM-NAA I/O
GM-NAA I/O
Multiple Virtual Storage
MVS
SHARE OS
SHARE Operating System
Transaction Processing Facility
Transaction Processing Facility
UXP (オペレーティングシステム)

Z/VSE
VSE (operating system)
DOS/360
DOS/360 and successors
IBSYS
IBM 7090/94 IBSYS▼-1 trendsGCOS
General Comprehensive Operating System
Z/OS
Z/OS
OS/390
OS/390
VOS3

ACOS-2

OS2200
OS 2200
ACOS-4