Terminal System (MTS) (time-sharing system for the IBM S/360-67 and successors) ITS (MIT's Incompatible Timesharing System for the DEC PDP-6 and PDP-10) ORVYL (Stanford University's time-sharing system for the IBM S/360-67) TSS/360 (IBM's Time-sharing System for the S/360-67, never officially released, canceled in 1969 and again in 1971) OS/360 MVT WAITS (SAIL, Stanford Artificial Intelligence Laboratory, time-sharing system for DEC PDP-6 and PDP-10, later TOPS-10) 1968 Airline Control Program (ACP) (IBM) CALL/360, an IBM time-sharing system for System/360 THE multiprogramming system (Eindhoven University of Technology) publication TSS/8 (DEC for the PDP-8) 1969 TENEX (Bolt, Beranek and Newman for DEC systems, later TOPS-20) Unics (later Unix) (AT&T, initially on DEC computers) RC 4000 Multiprogramming System (RC) Multics (MIT, GE, Bell Labs for the GE-645 and later the Honeywell 6180) (opened for paying customers in October) GEORGE 3 For ICL 1900 series 1970s 1970 DOS-11 (PDP-11) 1971 RSTS-11 2A-19 (First released version; PDP-11) OS/8 1972 Data General RDOS Edos MUSIC/SP Operating System/Virtual Storage 1 (OS/VS1) Operating System/Virtual Storage 2 R1 (OS/VS2 SVS) PRIMOS (written in FORTRAN IV, that didn't have pointers, while later versions, around version 18, written in a version of PL/I, called PL/P) Virtual Machine/Basic System Extensions Program Product (BSEPP or VM/SE) Virtual Machine/System Extensions Program Product (SEPP or VM/BSE) Virtual Machine Facility/370 (VM/370), sometimes known as VM/CMS 1973 Эльбрус-1 (Elbrus-1) – Soviet computer – created using high-level language uЭль-76 (AL-76/ALGOL 68) Alto OS RSX-11D RT-11 VME – implementation language S3 (ALGOL 68) 1974 CP/M DOS-11 V09-20C (Last stable release, June 1974) MONECS Multi-Programming Executive (MPE) – Hewlett-Packard Hydra – capability-based, multiprocessing OS kernel Operating System/Virtual Storage 2 R2 (MVS) Sintran III 1975 BS2000 V2.0 (First released version) Version 6 Unix 1976 Cambridge CAP computer – all operating system procedures written in ALGOL 68C, with some closely associated protected procedures in BCPL Cray Operating System FLEX TOPS-20 Tandem Nonstop OS v1 1977 1BSD KERNAL OASIS operating system OS68 OS4000 System Support Program (IBM System/34 and System/36) TRSDOS Virtual Memory System (VMS) V1.0 (Initial commercial release, October 25) 1978 2BSD Apple DOS Control Program Facility (IBM System/38) HDOS KSOS – secure OS design from Ford Aerospace KVM/370 – security retro-fit of IBM VM/370 Lisp machine (CADR) MVS/System Extensions (MVS/SE) PTDOS TRIPOS UCSD p-System (First released version) 1979 Atari DOS 3BSD Idris MP/M MVS/System Extensions R2 (MVS/SE2) NLTSS POS Sinclair BASIC UCLA Secure UNIX – an early secure UNIX OS based on