--START--

OPEN FILE TO READ AND WRITE;
IF ($PID = FORK())
{
   SLEEP(1);
   WRITE 'ALPHA';
   SLEEP(5);
   WRITE 'BETA';
}

ELSE (DEFINED $PID)
{
   SLEEP(3);
   READ THE FILE;  #Hope to output 'ALPHA'
   SLEEP(7);
   READ THE FILE;  #Hope to output 'ALPHA' and 'BETA'
}
CLOSE THE FREAKING FILE;

--DONE--