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From: guy%gorodish@Sun.COM (Guy Harris)
Newsgroups: comp.sys.att
Subject: Re: infinite regress
Message-ID: <31785@sun.uucp>
Date: Fri, 23-Oct-87 03:24:23 EST
Article-I.D.: sun.31785
Posted: Fri Oct 23 03:24:23 1987
Date-Received: Sun, 25-Oct-87 12:26:35 EST
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>   I guess I am missing something, because every Unix system I know of limits
> a user to a number of process (such as 20).

Yes, you're missing something; shell functions are not executed by starting up
another process.  This means you can write shell functions to do e.g. the C
shell's "pushd" and "popd" functions, as any "cd"s done by the function affect
the shell to which the "pushd" or "popd" was typed.
	Guy Harris
	{ihnp4, decvax, seismo, decwrl, ...}!sun!guy
	guy@sun.com