How to download a file into file server?and how to check the file?

hi everyone,

How to download a file into file server?and how to check the file?

i want to download a file into server and i have to check that perticular file whether it is popening and writing and closing ? can u help me in this, and if possible if anyone have any sample porogramme plz send me?

Tks in advance .

Phanikumar..D