Returns undef on errors, a nonzero value on success.
A process cannot be associated with more than one console, so this method will fail if there is already an allocated console. Use Free to detach the process from the console, and then call Alloc to create a new console. This attribute is used by the Write method. Returns undef on errors, a nonzero value on success. Fills the specified number of consecutive attributes, beginning at col , row , with the value specified in attribute .