TOS/360

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History of IBM mainframe operating systems

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

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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.

[edit] See also

• Timeline of operating systems

[edit] 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

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