4 Things How And Why We Choose A Operating System

1. Support the applications the business needs to run!!
2. Stability
- How often does OS crash?
- How does the OS recover from crashes?
3. Security
- Does the OS provide the required level of security?
4. Ease of use
- Is the OS easy to learn and to use?

Major Operating Systems:
UNIX - Early 1970
DOS - 1980
Windows 1.0 - 1983
Macintosh - 1985
Windows 3.0 - 1990
Linux - 1991
Windows NT 3.1 - 1993
Windows 95 - 1995
Macintosh 8.5 - 1998
Windows 98 - 1998
Windows Me - 2000
Windows 2000 - 2000
Mac OS X 10.0 - 2001
Windows XP - 2001