Path: utzoo!mnetor!tmsoft!masnet!canremote!bradley.grigor
From: bradley.grigor@canremote.uucp (BRADLEY GRIGOR)
Newsgroups: comp.sys.ibm.pc
Subject: Re: Command.com ISN'T invalid
Message-ID: <89121614031747@masnet.uucp>
Date: 16 Dec 89 11:06:00 GMT
Organization: Canada Remote Systems Limited, Mississauga, ON, Canada
Lines: 26

Re:
  INVALID COMMAND.COM
  SYSTEM HALTED

U>I run PCDOS 3.3, and this happens for me too. But very seldom, maybe
U>once every other month. I suppose it has to do with the non-resident
U>part of command.com (in high memory) being written over by an
U>application, which necessitates it to be reloaded from disk. For some

  This is my suspicion too.

U>reason, DOS seem not to find it. I haven't looked into this, because
U>it's no big problem for me. Could it have something to do with
U>redefining SWITCHAR to '-'? I do that on my machine. Maybe it means
U>DOS cannot find the path given by the COMSPEC env. variable?

  I have not redefined the SWITCHAR but I have added 64K and patched
  my system for 704K.  I first noticed the "INVALID COMMAND.COM" after
  making that change.  Any clues here?


Brad Grigor
Mainline Technologies
bradley.grigor@canremote.uucp
---
 ~ EZ-Reader 1.21 ~ Give me a good 84-key keyboard anyday!