Another great example of use of the ":" that you SHOULD NOT ATTEMPT TO RUN ON YOUR SYSTEM is: :(){:|:&};: That's a forkbomb, and it is a great use of the ":" as a function name to obfuscate the command. -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ