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From: msschaa@cs.vu.nl (Schaap MS)
Newsgroups: comp.sys.ibm.pc
Subject: Re: BAT files and ECHO OFF
Message-ID: <2457@solo11.cs.vu.nl>
Date: 8 May 89 15:11:01 GMT
References: <161@infovax.UUCP> <24000003@nixpbe>
Reply-To: msschaa@cs.vu.nl (Schaap MS)
Organization: VU Informatica, Amsterdam
Lines: 12

In article <24000003@nixpbe> freiss@nixpbe.uucp writes:
>
>
>I don't know if there is a binary patch out there in netland, but
>the famous 'ECHO OFF' problem can be solved using an undocumented
>feature of DOS 3.3: Lines beginning with the '@' (at) character
>are never echoed. Replacing 'ECHO OFF' with '@ECHO OFF' will spare
>your sore eyes the ungainly sight :-) of an echoed 'ECHO'.
>
This is NOT an undocumented feature.

It is described in the IBM Dos 3.30 Reference Manual.