History of OS

HP-UX

Sep 13, 1983

Brand:Hp Inc.
Creator: Hewlett-Packard
Price: $400

Mac OS

Sep 13, 1986

Brand: Apple Inc.
Programer: Steve Jobs
Price: $20.00

AIX

Sep 13, 1986

Brand: UNIX systems
Creator: IBM
Price: $95

OS/2

Sep 13, 1987

Brand: UNIX, Windows 3.x
Creator: IBM and Microsoft
Price: $300

IBM i

Sep 13, 1988

Brand: IBM
Programer: OS 400
Price: $125 per month

eComStation

Sep 13, 2001

Brand: Serenity Systems, Mensys BV
Creators: Serenity Systems, Mensys BV
Price: Student version = 149
bussiness editio = 259

DragonFly BSD

Sep 13, 2003

Brand: Dragon Fly
Creator: Matthew Dillon
Price: Free

Android

Sep 13, 2008

Brand: Android inc.
Creator: Google
Price: Free

Haiku

Sep 13, 2009

Brand: Haiku Inc.
Programer: Be Inc.
Price: Free

Symbian platform

Sep 13, 2010

Brand: Symbian
Creator: Symbian Foundation
Price: Free