Basically, you want to

• disassociate yourself from the tty
  • use ioctl() or POSIX::setsid()
  • re-open your file descriptors.
• possibly chroot and/or change your working directory to '/'
• fork && exit.

Proc::Daemon will do it all for you though.

-sauoq
"My two cents aren't worth a dime.";