World's smallest operating system . This seems to be 1.44 mb (standard version) and 4 mb (for featured version).
The main benefit of this os is that you can even save it in a floppy disc.
Don't think this os can load big softwares. But basic things are included for mail and text editing etc.
World's Smallest Operating System (3mb only) Must See
Himanshu
Himanshu is a young engineer living in India. Currently working at Cognizant as a Senior Engineer. He is an ethical hacker & blogger too, doing lots of crazy stuff... If you seem interesting, go through his portfolio: www.himstar.info : "Open Source. Millions of open minds can't be wrong!