gaurav wrote:
ok but as i know that each file have a single inode. So if the duplicationtakes place is t or the same inode is hat new inodes are create orthe inode entry is copied to all processes
At this point, I would suggest doing a little study on your own to answer questions like this. There are a multitude of Linux kernel books out there which can be used, in addition to the source code, to find the answers to questions such as this. ps