Template:History of IBM mainframe operating systems

{{ sidebar with collapsible lists

| wraplinks = true

| name = History of IBM mainframe operating systems

| title = History of IBM mainframe operating systems

| liststyle = text-align: left

| expanded = {{{expanded|{{{1|}}}}}}

| list1name = early

| list1title = Early mainframe computer OSes

| list1 =

• GM OS & GM-NAA I/O (1955)
• BESYS (1957)
• UMES (1958)
• SOS (1959)
• IBSYS (1960)
• MIT CTSS (1961)
• 7040/7044 Operating System (16/32K) (7040-PR-150)
• 1410/7010 Operating System
  (1410-PR-155)

| list2name = misc

| list2title = Miscellaneous S/360 line OSes

| list2 =

• BOS/360 (1965)
• TOS/360 (1965)
• TSS/360 (1967)
• MTS (1967)
• ORVYL (1967)
• RACS (1965)
• RAX (1966)
• MUSIC (1972)
• MUSIC/SP (1985)

| list3name = dos

| list3title = DOS/360 and successors (1966)

| list3 =

• DOS/360 (1965)
• DOS/VS (1972)
• DOS/VSE (1979)
• VSE/AF (1979)
• VSE/SP (1983, 1985)
• VSE/ESA (1991)
• z/VSE (2005)
• VSEⁿ (2021)

| list4name = os

| list4title = OS/360 and successors (1966)

| list4 =

• MFT (1966)
• MFT II (1968)
• OS/VS1 (1972)
• OS/VS1 BPE
• MVT (1967)
• 65MP
• OS/VS2R1 (SVS) (1972)
• MVS (OS/VS2R2 and later) (1974)
• MVS/SE (1978)
• MVS/SE 2 (1979)
• MVS/SP Version 1 (1980)
• MVS/XA (1983)
• MVS/ESA (1988)
• OS/390 (1995)
• z/OS (2000)

| list5name = vm

| list5title = VM line

| list5 =

• CP-40/CMS (1967)
• CP-67/CMS (1967)
• VP/CSS (1968)
• VM/370 (1972)
• VM/BSE (BSEPP)
• VM/SE (SEPP)
• VM/SP (1980)
• VM/XA MA (1984)
• VM/XA SF (1985)
• VM/XA SP (1988)
• VM/ESA (1990)
• z/VM (2000)

| list6name = tpf

| list6title = TPF line

| list6 =

• ACP (1967)
• TPF (1979)
• z/TPF (2005)

| list7name = unix

| list7title = UNIX and Unix-like

| list7 =

• UTS (1981)
• AIX/370 (1990)
• AIX/ESA (1991)
• MVS/ESA OpenEdition (1993)
• VM/ESA OpenEdition (1995)
• OS/390 UNIX System Services (1996)
• Linux (1999)
• z/VM OpenExtensions (2000)
• z/OS UNIX System Services (2001)
• OpenSolaris (2008)

}}

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