TOS/360: Information from Answers.com

History of IBM mainframe
operating systems

IBSYS 1950s
CTSS 1961
BOS/360 1965
TOS/360 1965
TSS/360 1967
MUSIC/SP 1960s
MTS 1970s

DOS/360 and successors 1966
- DOS/VS 1972
- DOS/VSE 1980s
- VSE/ESA 1991
- z/VSE 2005

OS/360 and successors 1966
- MFT 1966
  - OS/VS1 1972
- MVT 1967
  - OS/VS2R1 (SVS) 1972
- MVS (OS/VS2R2) 1974
  - MVS/370 1970s
  - MVS/SE
  - MVS/SP 1980s
  - MVS/XA 1980s
  - MVS/ESA 1988
  - OS/390 1995
  - z/OS 2000

VM line
- CP-40 /CMS 1967
- CP-67 /CMS 1967
- VP/CSS 1968
- VM/370 1972
- VM/SP 1980
- VM/XA 1988
- VM/ESA 1990
- z/VM 2000

TPF line
- ACP 1967
- TPF 1979
- z/TPF 2005

Unix-like on IBM mainframes
- UTS 1981
- AIX/370 1990
- AIX/ESA 1991
- Linux 1999
- OpenSolaris 2008

TOS/360 (Tape Operating System/360) was an IBM operating system for the System/360, used in the early days around 1965 to support the IBM 360 model 30 and similar platforms. TOS was a predecessor to IBM's DOS/360.

TOS died out quickly as disks such as the IBM 2311 and IBM 2314 became common with the System/360, whereas they had been an expensive luxury on the IBM 7090.

References

This article was originally based on material from the Free On-line Dictionary of Computing, which is licensed under the GFDL.

Free On-Line Dictionary Of Computing: Tape Operating System

v • d • e Operating systems by IBM

Desktop / Workstation	PC-DOS · OS/2 · AOS · AIX

Server / Mainframe	IBSYS · BOS/360 · TOS/360 · TSS/360 · DOS/360 and successors · OS/360 and successors · VM line · ACP · TPF · IBM i · AIX · zLinux

Point of Sale	4690 OS

Projects	Taligent · Workplace OS · Project Monterey · Project Trillian · K42

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TOS/360

See also

References