curprev07:2407:24, 13 September 2021 Guy Harristalkcontribs 19,520 bytes0 →Typical implementations: VMS is an operating system originally from DEC that originally ran on VAXes and later on Alpha, Itanium, and x86-64. MVS is a different, unrelated operating system from IBM that ran on System/370 and, after renaming to OS/390 and then z/OS, on System/390 and z/Architecture. Don't mistake one for the other.undo