Category:メインフレームのオペレーティングシステム
OS/360
OS/360 and successorsGCOS
General Comprehensive Operating SystemDOS/360
DOS/360 and successorsACOS-6
Z/VM
Z/VMUXP/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/VSE
VSE (operating system)IBSYS
IBM 7090/94 IBSYS▼-1 trendsOS/390
OS/390OS2200
OS 2200ACOS-2
VOS3
ACOS-4
Z/OS
Z/OS