Some other good BASH starters: http://www.faqs.org/docs/Linux-HOWTO/Bash-Prog-Intro-HOWTO.html http://www.faqs.org/docs/abs/HTML/ Regards, -- Tony E / Jaraeth jaraeth@phoenixwing.com Brant Evans wrote: > The $$ variable is the process id. It will be consistent through the run > of > the script. Each invocation of the script will get a different process id. > > Brant Evans > > On Mon, Feb 16, 2009 at 10:41 PM, Nathan England > wrote: > >> >> Hello Hello, >> >> I am looking for an explanation of what '$$' 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 >> > --------------------------------------------------- > 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 --------------------------------------------------- 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