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From: gwyn@brl-tgr.ARPA (Doug Gwyn <gwyn>)
Newsgroups: net.unix
Subject: Re: Comment lines in the Bourne shell
Message-ID: <11283@brl-tgr.ARPA>
Date: Sun, 16-Jun-85 04:28:12 EDT
Article-I.D.: brl-tgr.11283
Posted: Sun Jun 16 04:28:12 1985
Date-Received: Thu, 20-Jun-85 09:03:45 EDT
References: <1194@uwmacc.UUCP>
Distribution: net
Organization: Ballistic Research Lab
Lines: 2

: is not a comment character.  It is a command that does no I/O and
always returns exit status 0.