Microsoft Official released operating system

Hi friends why i Choose this topic is there are many operating system in the internet and the thing is that all the OS that was in internet was released by microsoft?means absolutly the answer wil be no.The OS that was in the given list below only officially released by microsoft the other operating systems are released by the microsoft but they were enhanced by the users and the name was given by them.The list of OS released offcially are.
Deskop editions:
Windows 95
Windows 98
Windows Me
Windows 2000
Windows XP
Windows Vista
Windows 7
And upcoming version is Windows 8
Sever Editions
Windows NT
Windows Server 2003
Windows server 2008

This post was written by: Anto Dominic

Anto Dominic is a part time blogger and crazy in networking and servers. Follow him on Twitter