Xref: utzoo comp.sys.apollo:600 comp.unix.questions:4963
Path: utzoo!mnetor!uunet!husc6!cmcl2!brl-adm!brl-smoke!gwyn
From: gwyn@brl-smoke.ARPA (Doug Gwyn )
Newsgroups: comp.sys.apollo,comp.unix.questions
Subject: Re: preconnected file descriptors
Message-ID: <6947@brl-smoke.ARPA>
Date: 6 Jan 88 06:26:06 GMT
References: <491@cresswell.quintus.UUCP>
Reply-To: gwyn@brl.arpa (Doug Gwyn (VLD/VMB) <gwyn>)
Organization: Ballistic Research Lab (BRL), APG, MD.
Lines: 7
Keywords: sh(1) Apollo SR9.5 preconnected fds

In article <491@cresswell.quintus.UUCP> ok@quintus.UUCP (Richard A. O'Keefe) writes:
>		if we close 3 and 4, will something break?
>		are there other "UNIX" systems which do this?

I seem to recall that on Ninth Edition UNIX, fd #3 is open to the
controlling terminal by convention.  But, hey, if you want to close
an fd and re-use it for other purposes, feel free.