#!perl -w
$0 = 'Oh, sure, why not?';
sleep 5;
print $0;

##</code><code>##

> perl zeroTest.pl &
> ps
      PID    PPID   TTY     UID    STIME COMMAND
    35401    3400  pty0     101 19:45:35 Oh, sure, why no
    35402    3400  pty0     101 19:45:37 /usr/bin/ps
> Oh, sure, why not?