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From: ignatz@aicchi.UUCP (Ihnat)
Newsgroups: net.unix-wizards
Subject: Re: Query on shells
Message-ID: <492@aicchi.UUCP>
Date: Wed, 12-Jun-85 02:34:53 EDT
Article-I.D.: aicchi.492
Posted: Wed Jun 12 02:34:53 1985
Date-Received: Thu, 13-Jun-85 01:08:23 EDT
References: <11056@brl-tgr.UUCP> <10300028@inmet.UUCP> <129@peregrine.UUCP>
Reply-To: ignatz@aicchi.UUCP (Ihnat)
Organization: Analysts International Corp; Chicago Branch
Lines: 17

In <129@peregrine.UUCP>,  Mike Wexler writes:

>	For instance if I type in the command:
>		cat xyz | more
>	It doesn't not more the whole contents of xyz into memory and then
>	feed it into more, but it moves the data in 512 byte(system dependent)
>	chunks into more. More then outputs the stuff to the screen.

It's not horribly important, I suppose, but don't make the poor, tired
kernel appear more inefficient than it deserves.  A pipe will actually
accept up to 4K of data without any reads from the other end before it
wedges....
-- 
	Dave Ihnat
	Analysts International Corporation
	(312) 882-4673
	ihnp4!aicchi!ignatz