bool file .create (char name );
bool file .create (string name );
bool file .modify (char name );
bool file .modify (string name );
bool file .edit (char name );
bool file .edit (string name );
bool file .change (char name );
bool file .change (string name );
bool file .content (char name );
bool file .content (string name );
bool file .append (char name );
bool file .append (string name );
bool file .remove (char name );
bool file .remove (string name );
bool file .delete (char name );
bool file .delete (string name );
bool file .rename (char name , char newname );
bool file .rename (char name , string newname );
bool file .rename (string name , string newname );
bool file .rename (string name , char newname );
bool file .cut (char name , char newname );
bool file .cut (char name , string newname );
bool file .cut (string name , string newname );
bool file .cut (string name , char newname );
& / file.copy, file.send, file.share
bool file .copy (char name , char newname );
bool file .copy (char name , string newname );
bool file .copy (string name , string newname );
bool file .copy (string name , char newname );
bool file .copy (char name , char newname );
bool file .copy (char name , string newname );
bool file .copy (string name , string newname );
bool file .copy (string name , char newname );
bool file .copy (char name , char newname );
bool file .copy (char name , string newname );
bool file .copy (string name , string newname );
bool file .copy (string name , char newname );
& / file.read , file.readLine , file.list , file.tree
@file. is a file type data
bool file.setPermission(int permission);
@file. is a file type data
int file.getPermission();