' Fork
pid = FORK
IF pid = 0 THEN
    PRINT "I am the child, my PID is:", MYPID
    ENDFORK
ELIF pid > 0 THEN
    PRINT "I am the parent, pid of child:", pid
    REPEAT
        PRINT "Waiting for child to exit"
        SLEEP 50
    UNTIL REAP(pid)
ELSE
    PRINT "Error in fork"
ENDIF