jan@jlubuntu ~/www/test/forktest $ perl fork.pl 
original: 0
forked: 0
original: 1
forked: 1
original: 2
forked: 2
original: 3
forked: 3
original: 4
forked: 4
original: 5
forked: 5
exiting
forked: 6
jan@jlubuntu ~/www/test/forktest $ forked: 7
forked: 8
forked: 9
forked: 10
exiting