Operating system is a kind of software that interacts with the hardware make it work as per the end user's instructions. Without an OS, the hardware is like a deaf and dumb. Just imagine this situation. You want to speak to a Chinese and you know only english and the Chinese person is not knowing … Read more

A plain hard disk cannot store  data until it is formatted into some file system. We have different file systems like FAT32, ext2, ext3, reiserFS