The History of OS

First Operating System

Jan 1, 1956

GM-NAA I/O
General Motors
Created by General Motors' Research
34.00 euros

Second OS

Sep 11, 1960

OS/360
IBM
IBM

Apple DOS

Sep 11, 1978

Apple
Steve Wozniak
$729

Mac OS

Sep 11, 1984

Apple
Steve Jobs
$79.89

Microsoft Windows 1.0

Sep 11, 1985

Microsoft
Microsoft
$100

Windows 2.0

Sep 11, 1987

Microsoft
Microsoft
$796

Version 10 UNIX

Sep 11, 1989

UNIX
Bell Labs
Free

Linux

Sep 11, 1991

Linux
Linux Torvalds
Free

Windows 3.1

Sep 11, 1992

Microsoft
Microsoft
Free

Windows 7

Sep 11, 2010

Microsoft
Microsoft
$119.99