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From: gwyn@BRL.ARPA (VLD/VMB)
Newsgroups: comp.unix.questions
Subject: Re:  Why does this shell program run under csh????
Message-ID: <7714@brl-adm.ARPA>
Date: Fri, 5-Jun-87 02:10:33 EDT
Article-I.D.: brl-adm.7714
Posted: Fri Jun  5 02:10:33 1987
Date-Received: Tue, 9-Jun-87 02:36:11 EDT
Sender: news@brl-adm.ARPA
Lines: 4

: is NOT a comment in the Bourne shell -- it's a command.
# is the comment character (at least it has been for several
years).  : is not a suitable replacement for # for reasons
that should be obvious.