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From: lebowitz@endor.UUCP
Newsgroups: comp.sys.ibm.pc,comp.periphs
Subject: Re: ECHO ON displayed when not desired
Message-ID: <1811@husc6.UUCP>
Date: Thu, 30-Apr-87 21:08:24 EDT
Article-I.D.: husc6.1811
Posted: Thu Apr 30 21:08:24 1987
Date-Received: Sat, 2-May-87 01:25:31 EDT
References: <867@chinet.UUCP> <345@pecnos.UUCP>
Sender: news@husc6.UUCP
Reply-To: lebowitz@endor.UUCP (Larry Lebowitz)
Organization: Aiken Computation Lab Harvard, Cambridge, MA
Lines: 8
Xref: utgpu comp.sys.ibm.pc:3255 comp.periphs:325
Summary: This problem is solved in DOS 3.3

Keywords:

One of the features in Microsoft's newly announced DOS 3.3 is the ability
to preface any line in a .BAT file with '@', which prevents that line
from being displayed when the command is executed.  So by making the first 
line of a .BAT file '@echo off', you'll never see anything you don't want 
to see.

For a good description of other new features in DOS 3.3, see Vol. 6, #10
of PC Magazine (May 26, 1987) on page 48