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Mail Archives: opendos/2000/10/25/00:02:51

Message-Id: <200010250327.XAA31053@xellos.bignet.net>
MIME-Version: 1.0
To: <opendos AT delorie DOT com>
From: "Mark at Cross+Road's" <mark1 AT mich DOT com>
CC: <pmoran22 AT yahoo DOT com>, <raster AT highfiber DOT com>
Date: Tue, 24 Oct 2000 23:27:33 +0400
X-Mailer: Net-Tamer 1.12.0
Subject: Drdos and Msdos on the same drive
Reply-To: opendos AT delorie DOT com

Isn't this the idea behind using a bootmanger like System Commandor?  I
would think that SC does the same thing and may be more protective of the
associated files?
    Thanks,
       Mark


On 2000-10-06 opendos AT delorie DOT com said:
   >----- Original Message -----
   >Cc: <raster AT highfiber DOT com>
   >Sent: Monday, September 18, 2000 1:41 AM
   >> Does this mean then that if you had a drive with Drdos #703
   >>operating and  used a bootmanger to install msdos 6.22 the
   >partitions set-up by Drdos could
   >> likely become trashed when booting to msdos and read/write on
   >>those same  shared drives?
   >I have never tried this method. When I fooll around with MS DOS or
   >other DOSes, I usually remove DDOS and install the new DOS from
   >scratch. I'll see if I can explain a few things. When using more
   >than one DPS, you usually put each version on it's own primary
   >partition. My experience is that when you do this, the other DOS
   >(the one not being used) is hidden and you cannot access that
   >partition. You boot the partition you want by changing the boot
   >partition with fdisk.
   >>     Wanting to know because I am considering adding msdos 6.22 to
   >>my  bootmanager  menue but don't want to do so if this would be
   >>likely when  working on the same drives.
   >You may be able to do this, however, I have never tried it. Be sure
   >to back up exverything before trying this.  I would first install
   >DRDOS. Then I would copy the autoexec.bat ile to a file named
   >autodos7.bat and copy the config.sys file to dconfig.sys. I would
   >copy the COMMAND.COM file to the DRDOS directory. Then edit the
   >dconfig.sys file to show the COMMAND.COM is at d;/DRDOS/COMMAND.COM
   >on the COMSPEC line. This will allow you to have your DRDOS set up
   >separately from your MS DOS. Boot the system and make sure it boots
   >to DOS okay. Then delete the config.sys, autoexec.bat and command.
   >com files from the root directory.
   >Now, install MS DOS 6.22xxxx whatever it is. Now your system should
   >boot to MS DOS. run CHKDSK /V nad make sure that MSDOS can read the
   >drive okay (I have not had a problem, but seems like some people
   >have had problems if formatted with DRDOS.) If everything is okay,
   >then change to C:\DRDOS directory and run LOADER. This will now
   >make the system bootable to either DRDOS or MSDOS. The MSDOS will
   >use the COMMAND.COM in the root directory and the DRDOS will use
   >the one in the DRDOS directory. MSDOS will use the AUTOEXEC.BAT and
   >CONFIG.SYS files when booting. DRDOS will ignore these files and
   >use the DCONFIG.SYS and AUTODOS7.BAT files when booting.
   >As I have stated above, I have never tried this. I have no use for
   >MSDOS and have had no reason to try it. I may try it one of these
   >days just for reference purposes.
   >As far as having problems with DRDOS v7.0x FDISK, I have never run
   >into a problem with it. I have just seen several references to
   >people having problems with it and not recommend using it. Thus far.
   >in response to my message, all I have seen is a possible formatting
   >problem, but have doubts about that too. Someone else said they
   >have used it on small drives and had no problems. When I get more
   >responces and see an actuall problem that I can actually dupilicate
   >myself, I am not sure there is any problem. I have used
   >DR/Novell/Caldera OpenDOS for many, many years and have
   >ocassionally put MSDOS on my computer to check out things. Even IBM
   >DOS, RXDOS, FreeDOS,  and many other things to check them out. I do
   >not recall re-formatting the drive with other than DRDOS except way
   >back when I was using MS DOS 3.3 and MSDOS 5.0.
   >Pat
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