On Dec 14, 2006, at 11:23 AM, Ken Shmidheiser wrote: > > /dev/null 2>&1 & > > > If you run this command from the Terminal, you will notice that it > returns a unique number each time you run it. This number is your > "PID" or process identification number assigned by the system to > each process. You actually see this number, along with the curl > application name in top while you perform the download. > > Once you know your PID you cannot only test to see if it is > running, but you can also end it using the "killall" command. This > could come in handy for adding a "Cancel download" button to your > program. Ken, The PID comes back in the terminal but my first feeble attempts to capture it inside an FB program failed. I know the ampersand (&) makes it a background process, but doesn't /dev/null send the output into bit bucket? Brian S.