i need some help in understanding windows.

[poh_seng]

i need to know the differences and similarities among windows 95,windows 2000 and windows xp based on the following aspect:
-features
-tools
-process management
-process scheduling
-memory management
-file management
-security & protection
i really hope that anyone whos expect in windows could kindly help me out,thankyou.

[YODA74]

http://kb.indiana.edu/data/akma.html