chmod ("/ somedir / somefile", 755); / / decimale; probabilmente errato chmod (" / somedir / somefile", "u+rwx,go+rx"); / / stringa; errato chmod (" / somedir / somefile", 0755); / / ottale; valore corretto di mode ###>Number 1 means that you grant execute rights, number 2 means that you make the file writeable, number 4 means that you make the file readable.