-
LEO I
"Lyons Electronic Office", EDSAC. -
GCOS
(GE's General Comprehensive Operating System). General Electric. -
Unics (later Unix)
(AT&T, initially on DEC computers). Bell Labs. -
IBM
Operating System/Virtual Storage 1 (OS/VS1). -
Version 6 Unix
Bell Labs. -
Apple DOS
Apple Computer -
Atari DOS
Atari Corporation -
Version 7 Unix
. Bell Labs. -
PC DOS for IBM Personal Computer
IBM -
MS-DOS
Microsoft -
Mac OS for Macintosh
Apple Inc. -
MSX-DOS
Microsoft. -
Windows 1.0
Microsoft. -
AmigaOS
Commodore International. -
Version 8 Unix
Bell Labs. -
Version 9 Unix
Bell Labs. -
Windows 2.0
Microsoft. -
Mac OS (System 6)
Apple Inc. -
Sparta DOS X for Atari 8 bits family
ICD. -
EPOC for Mobile
Psion. -
Version 10 Unix
Bell Labs. -
Windows 3.0
Microsoft. -
AmigaOS 2.0
Commodore International. -
Linux 0.01
Linus Torvalds and thousands of collaborators. -
Windows NT 3.1
Microsoft. -
Windows 95
Microsoft. -
Mac OS 7.6
Apple Inc. -
Windows NT 4.0
Microsoft. -
Solaris 7
Sun Microsystems. -
Windows 98
Microsoft. -
FreeBSD
The FreeBSD Project. -
Solaris 8
Sun Microsystems -
Windows 2000
Microsoft & Windows Millennium Edition. -
Mac OS X Public Beta
Apple Inc. -
Windows
Microsoft. -
ReactOS 0.1.0
ReactOS Contributors. -
Ubuntu 4.10
Canonical Ltd. -
Windows Vista
Microsoft -
iPhone OS 1
Apple Inc. -
Android 1.0
Google, Open Handset Alliance. -
iPhone OS 2
Apple Inc. -
Windows Server 200
Microsoft. -
Windows 7
Microsoft. -
iPhone OS 3
Apple Inc. -
iOS 4
Apple Inc. -
Windows Phone 7
Microsoft. -
Google Chrome OS for Web applications
Google. -
iOS 5
Apple Inc. -
Windows Server 2012
Microsoft -
Windows Phone 8
Microsoft -
Windows 8
Microsoft -
iOS 6
Apple Inc -
iOS 7
Apple Inc. -
iOS 8
Apple Inc. -
Windows 10
Microsoft. -
watchOS 1
Apple Inc. -
iOS 9
Apple Inc. -
iOS 10
Apple Inc. -
iOS 11
Apple Inc. -
Ubuntu 17.10.
Canonical Ltd. -
Windows Server 2016
Microsoft.
