Timeline of OS

LEO 1

Sep 12, 1951

Name of the OS..LEO
Brand..EDSAC
Programmer/s who created it..Oliver Standingford and Raymond Thompson of J. Lyons and Co.
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General motors operating system

Nov 14, 1955

Name of the OS... GM-NAA I/O
BRAND... IBM
Programmers...Robert.L Patrick and Owen Mock
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GCOS

Mar 19, 1962

Name of the OS.GCOS
Brand..General Electric
Programmer/s who created it.. Honeywell and Groupe Bull
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Incompatible Timesharing System

Aug 19, 1967

Name of the OS...Incompatible Timesharing System
BRAND...MIT
Programmers...Project MAC.
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DOS-11

Mar 3, 1973

Name of the OS...DOS-11
BRAND..Digital Equipment Corporation
Programmers...LCL
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Version 7 Unix

Sep 19, 1979

Name of the OS...Version 7 Unix
BRAND...Unix
Programmers..Plan 9.
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Price when it was released..Free

Xenix

Sep 19, 1980

Name of the OS..Xenix
BRAND...Microsoft
Programmers...Bill Gates
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Symbian

Sep 19, 1989

Name of the OS..Symbian
BRAND...Accenture on behalf of Nokia
Programmers..DBMS
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Inferno

Sep 19, 1995

Name of the OS..Inferno
BRAND...Bell Labs
Programmers...Vita Nuova Holdings
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Windows XP 64-Bit Edition

Sep 19, 2001

Name of the OS..Windows XP 64-Bit Edition
BRAND...Windows
Programmers..Bill Gates
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Android 4.1

Jul 19, 2012

Name of the OS..Android 4.1
BRAND...Google
Programmers...Andy Rubin
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