Hello Hello, I am looking for an explanation of what '$$' is in bash. I can create a file or a directory, assign it to variables, but how much can I do before it changes, or what causes it to change? What exactly does it mean? Searching google for '$$' returns nothing useful. Nathan --------------------------------------------------- PLUG-discuss mailing list - PLUG-discuss@lists.plug.phoenix.az.us To subscribe, unsubscribe, or to change your mail settings: http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss