Category:メインフレームのオペレーティングシステム
ACOS-4
Z/VSE
VSE (operating system)ACOS-6
Z/VM
Z/VMGCOS
General Comprehensive Operating SystemOS2200
OS 2200ACOS-2
OS/360
OS/360 and successorsDOS/360
DOS/360 and successorsUXP/M
Advanced Comprehensive Operating System
Advanced Comprehensive Operating SystemBESYS
BESYSGM-NAA I/O
GM-NAA I/OMultiple Virtual Storage
MVSSHARE OS
SHARE Operating SystemTransaction Processing Facility
Transaction Processing FacilityUXP (オペレーティングシステム)
VOS3
IBSYS
IBM 7090/94 IBSYS▼-1 trendsOS/390
OS/390Z/OS
Z/OS