What is Operating
system ?
An operating system, or OS, is a software
program that enables the computer hardware to communicate and operate with the
computer software. Without a computer operating system, a computer would be
useless.
As computers have progressed so have the
operating systems. Below is a basic list of the different operating systems and
a few examples of operating systems that fall into each of the categories. Many
computer operating systems will fall into more than one of the below
categories.
GUI - Short for Graphical
User Interface, a GUI Operating System contains graphics and icons and is
commonly navigated by using a computer mouse. See the GUI definition
for a complete description. Below are some examples of GUI Operating Systems.
System 7.x
Windows 98
Windows ME
Multi-user - Multi-user operating system allows for
multiple users to use the same computer at the same time and different times.
See the multi-user definition for
a complete definition for a complete definition. Below are some examples of
multi-user operating systems.
Linux
Unix
Windows 2000
Unix
Windows 2000
Multiprocessing - Multiprocessing operating system
capable of supporting and utilizing more than one computer processor. Following
are some examples of multiprocessing operating systems.
Linux
Unix
Windows 2000
Multitasking - An operating system that is able of
allowing multiple software processes to run at the same time. Below are some
examples of multitasking operating systems.
Unix
Windows 2000
Multithreading - Multithreading Operating systems
that allow different parts of software program to run concurrently. Operating
systems that would fall into this category are:
Linux
Unix
Windows 2000
Regular questions and answers to operating
systems in general can be found on the below
operating system question and answers. All other questions linking to an
operating system in particular can be found through the operating system page.
Linux and Variants
MacOSMS-DOS
IBM OS/2 Warp
Unix and Variants
Windows CE
Windows 3.x
Windows 95
Windows 98
Windows
98 SE
Windows ME
Windows NT
Windows 2000
Windows XP
Windows Vista
Windows 7
Below is a listing of many of the different
operating systems available today, the dates they were released, the platforms they have been developed for and who
developed them.
Operating system
|
Date first released
|
Platform
|
Developer
|
AIX and AIXL
|
Unix and Linux history.
|
Various
|
IBM
|
AmigaOS
|
Currently no AmigaOS history.
|
Amiga
|
Commodore
|
BSD
|
Unix and Linux history.
|
Various
|
BSD
|
Caldera Linux
|
Unix and Linux history.
|
Various
|
SCO
|
Corel Linux
|
Unix and Linux history.
|
Various
|
Corel
|
Debian Linux
|
Unix and Linux history.
|
Various
|
GNU
|
DUnix
|
Unix and Linux history.
|
Various
|
Digital
|
DYNIX/ptx
|
Unix and Linux history.
|
Various
|
IBM
|
HP-UX
|
Unix and Linux history.
|
Various
|
Hewlett Packard
|
IRIX
|
Unix and Linux history.
|
Various
|
SGI
|
Kondara Linux
|
Unix and Linux history.
|
Various
|
Kondara
|
Linux
|
Unix and Linux history.
|
Various
|
Linus Torvalds
|
MAC OS 8
|
Apple operating system history.
|
Apple Macintosh
|
Apple
|
MAC OS 9
|
Apple operating system history.
|
Apple Macintosh
|
Apple
|
MAC OS 10
|
Apple operating system history.
|
Apple Macintosh
|
Apple
|
MAC OS X
|
Apple operating system history.
|
Apple Macintosh
|
Apple
|
Mandrake Linux
|
Unix and Linux history.
|
Various
|
Mandrake
|
MINIX
|
Unix and Linux history.
|
Various
|
MINIX
|
MS-DOS 1.x
|
MS-DOS history.
|
IBM
|
Microsoft
|
MS-DOS 2.x
|
MS-DOS history.
|
IBM
|
Microsoft
|
MS-DOS 3.x
|
MS-DOS history.
|
IBM
|
Microsoft
|
MS-DOS 4.x
|
MS-DOS history.
|
IBM
|
Microsoft
|
MS-DOS 5.x
|
MS-DOS history.
|
IBM
|
Microsoft
|
MS-DOS 6.x
|
MS-DOS history.
|
IBM
|
Microsoft
|
NEXTSTEP
|
Apple operating system history.
|
Various
|
Apple
|
OSF/1
|
Unix and Linux history.
|
Various
|
OSF
|
QNX
|
Unix and Linux history.
|
Various
|
QNX
|
Red Hat Linux
|
Unix and Linux history.
|
Various
|
Red Hat
|
SCO
|
Unix and Linux history.
|
Various
|
SCO
|
Slack ware Linux
|
Unix and Linux history.
|
Various
|
Slack ware
|
Sun Solaris
|
Unix and Linux history.
|
Various
|
Sun
|
SuSE Linux
|
Unix and Linux history.
|
Various
|
SuSE
|
System 1
|
Apple operating system history.
|
Apple Macintosh
|
Apple
|
System 2
|
Apple operating system history.
|
Apple Macintosh
|
Apple
|
System 3
|
Apple operating system history.
|
Apple Macintosh
|
Apple
|
System 4
|
Apple operating system history.
|
Apple Macintosh
|
Apple
|
System 6
|
Apple operating system history.
|
Apple Macintosh
|
Apple
|
System 7
|
Apple operating system history.
|
Apple Macintosh
|
Apple
|
System V
|
Unix and Linux history.
|
Various
|
System V
|
Tru64 Unix
|
Unix and Linux history.
|
Various
|
Digital
|
Turbolinux
|
Unix and Linux history.
|
Various
|
Turbolinux
|
Ultrix
|
Unix and Linux history.
|
Various
|
Ultrix
|
Unisys
|
Unix and Linux history.
|
Various
|
Unisys
|
Unix
|
Unix and Linux history.
|
Various
|
|
UnixWare
|
Unix and Linux history.
|
Various
|
UnixWare
|
VectorLinux
|
Unix and Linux history.
|
Various
|
VectorLinux
|
Windows 2000
|
Microsoft Windows history.
|
IBM
|
Microsoft
|
Windows 2003
|
Microsoft Windows history.
|
IBM
|
Microsoft
|
Windows 3.X
|
Microsoft Windows history.
|
IBM
|
Microsoft
|
Windows 8
|
Microsoft Windows history.
|
IBM
|
Microsoft
|
Windows 7
|
Microsoft Windows history.
|
IBM
|
Microsoft
|
Windows 95
|
Microsoft Windows history.
|
IBM
|
Microsoft
|
Windows 98
|
Microsoft Windows history.
|
IBM
|
Microsoft
|
Windows CE
|
Microsoft Windows history.
|
PDA
|
Microsoft
|
Windows ME
|
Microsoft Windows history.
|
IBM
|
Microsoft
|
Windows NT
|
Microsoft Windows history.
|
IBM
|
Microsoft
|
Windows
|
Microsoft Windows history.
|
IBM
|
Microsoft
|
Windows XP
|
Microsoft Windows history.
|
IBM
|
Microsoft
|
Xenix
|
Unix and Linux history.
|
Various
|
Microsoft
|
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