difference between MS-DOS and Window-95 operating system

Q.What is the difference between MS-DOS and Window-95 operating system?
Ans: - MS-DOS: - It is a 16-bit, single-user, command-line oriented operating system. MS-DOS is developed by Microsoft in 1981.At that time it was only useful for IBM 8088 based personal computer.It supports total only 11 character file name, 8 characters for file name and 3 characters for extension.
Windows-95:- This is developed by Microsoft in 1995.It transfers all the features of MS-DOS into GUI.Window-95 consisting of all most all the best features likes virtual memory, process management and multiprogramming.It can support long filenames.