shell question

[Tony E - Jaraeth]

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 at phoenixwing.com



Brant Evans wrote:
> The $$ variable is the process id. It will be consistent through the run
> of
> the script. Each invocation of the script will get a different process id.
>
> Brant Evans
>
> On Mon, Feb 16, 2009 at 10:41 PM, Nathan England
> <nathan at paysonlinux.org>wrote:
>
>>
>> Hello Hello,
>>
>>        I am looking for an explanation of what '$$' 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
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