Category:メインフレームのオペレーティングシステム
Z/OS
Z/OSVOS3
ACOS-4
OS2200
OS 2200ACOS-2
Z/VSE
VSE (operating system)GCOS
General Comprehensive Operating SystemOS/390
OS/390UXP/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)
Z/VM
Z/VMACOS-6
OS/360
OS/360 and successorsDOS/360
DOS/360 and successorsIBSYS
IBM 7090/94 IBSYS▼-1 trends