freenet{swgsh}~ $ perl tmp/t3  &
[2] 20474
freenet{swgsh}~ $ PARENT: PID is 20474
CHILD: PID is 20476, PPID is 20474

freenet{swgsh}~ $ ps
  PID TTY          TIME CMD
12912 pts/0    00:00:00 bash
13286 pts/0    00:00:39 emacs
20474 pts/0    00:00:00 perl
20476 pts/0    00:00:00 bash <defunct>
20487 pts/0    00:00:00 ps