DOS

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REMARK - D.M.:

"You never sent me a response on the question of what things an [application] would do that would make it run with MS-DOS and not run with DR-DOS," Bill Gates wrote in 1988. His earlier email? "I am not looking for something they cant get around. I am looking for something their current binary fails on."

http://www.theregister.co.uk/1999/05/03/more_gates_smoking_emails_support/


non-tested DOS warning code ..

To: Russ werner From: Mark Chestnut Subject: Status Report for April, 1989 Date 5/22/89

..


The first MS product with the non-tested DOS warning code, Quick Pascal, was released. Tom Reeve and Cindy Kasin have committed to implimenting it in all new MS application and language releases from this point forward, including international.

I am also planning to hire an independent DOS gure to do an in-depth comparative analysis of MS vs. DR DOS, with the idea of somehow making those results available to the press. This could be usefull ammunition to have against DRI, and will be of value even if we choose not to make it public.

http://edge-op.org/iowa/www.iowaconsumercase.org/011607/0000/PX00109.pdf


tonyka tests DR-DOS 6.0 ..

tonyka tests DR-DOS 6.0 ..

From: tonyka Thu Sep 19 18:44:04 1991 To: tomle Cc: brentk; dosdev; jefflo; vangard Subject: DR-DOS 6.0 Testing (9/19)


DR DOS beats us on a 386 system by 12,560 bytes conventional; their EMM386 is a combined XMS provider and expanded memory manager. I don't understand why MS DOS only gives 95kb UMB; maybe I need to include some region on emm386 line.

..


1) Please include All bugs in DR-DOS that are not in MS-DOS from Intel TESTMEM test suite Boundary test:

Allocating more (expanded memory) pages than available in system EMM did not return the expected results (returned 12 instead of 9A).

DTK 386 cold boot/hang problem:

After installing DR 6 on this machine, cold boot always results in a "Cannot load file". Press a key to retry." When press a key, the machine will boot fine. Warm boot always work without this problem.

Also there's intermittent hang after exiting EDITOR. It hung on me twice today. Haven't seen these problems happen on another machine.

Warm boot with HIDOS.SYS installed gives "Warning: Address line A20 already enabled."

..

2) Anything you did not like about DR-DOS

DR DOS reports version as 3.31; no lie table and programs won't run.


Their EDITOR looks antique (compared to ours); haven't used WORDSTAR for ages.

..


3) Anything you like about DR-DOS that we should add to future MS-DOS versions

DR MEM program output looks sharp: layout is clearer and offers more info than ours.

DOSBOOK online help looks pretty fancy and helpful.


DR SETUP lets user tune system after installation. This concept is good but their implementation is not useful enough.

..

Privileged Material Redacted


http://edge-op.org/iowa/www.iowaconsumercase.org/011607/0000/PX00963.pdf

From brade Fri Sep 20 17:31:57 1991 To: bradsi Cc: bradc; braddir; dosmktg; lizsi; w-carrin; w-maria Subject: PC Week and DR DOS Date: Fri Sep 20 17:32:48 PDT 1991


Carrine's great work got us the oppurtunity to feed pc week some info on where to look for bugs with dr dos. I have had a couple of conversations with lenny bailes who is helping with the ms-dos 5 versus dr-dos 5 evaluation process.

Today tom and i talked to him. on the negative side i probably brought up one two many things for him to look at. it is difficult to appropriately and professionally try and trash your competitor. also on the negative side, lenny clearly seems to be a dr dos fan. to be fair i think he is sincere and is trying to be balanced.

also on the negative side he did tells us that under 1 meg dr dos 6 was better than ms-dos 5 on 7 out of 10 machines they tested. no real details but i think the differences will be small.

on the positive side they did themselves find some of the setup problems (such as poor updating to config.sys) and he has passed on tp the pc weeks labs some of these configurations we suggested they look at that we uncovered with dr dos 5. he was also intrigued by some of the data from yesterday's dr-dos 6 test, in particular tom's problems when he entered a ton of nested directory names.

http://edge-op.org/iowa/www.iowaconsumercase.org/011607/0000/PX00964.pdf

-- court documents in the case of Comes v. Microsoft.


tonyka tests DR-DOS 6.0 ..

From: tonyka Thu Sep 19 18:44:04 1991 To: tomle Cc: brentk; dosdev; jefflo; vangard Subject: DR-DOS 6.0 Testing (9/19)


DR DOS beats us on a 386 system by 12,560 bytes conventional; their EMM386 is a combined XMS provider and expanded memory manager. I don't understand why MS DOS only gives 95kb UMB; maybe I need to include some region on emm386 line.

..


1) Please include All bugs in DR-DOS that are not in MS-DOS from Intel TESTMEM test suite Boundary test:

Allocating more (expanded memory) pages than available in system EMM did not return the expected results (returned 12 instead of 9A).

DTK 386 cold boot/hang problem:

After installing DR 6 on this machine, cold boot always results in a "Cannot load file". Press a key to retry." When press a key, the machine will boot fine. Warm boot always work without this problem.

Also there's intermittent hang after exiting EDITOR. It hung on me twice today. Haven't seen these problems happen on another machine.

Warm boot with HIDOS.SYS installed gives "Warning: Address line A20 already enabled."

..

2) Anything you did not like about DR-DOS

DR DOS reports version as 3.31; no lie table and programs won't run.


Their EDITOR looks antique (compared to ours); haven't used WORDSTAR for ages.

..


3) Anything you like about DR-DOS that we should add to future MS-DOS versions

DR MEM program output looks sharp: layout is clearer and offers more info than ours.

DOSBOOK online help looks pretty fancy and helpful.


DR SETUP lets user tune system after installation. This concept is good but their implementation is not useful enough.

..

Privileged Material Redacted


http://edge-op.org/iowa/www.iowaconsumercase.org/011607/0000/PX00963.pdf

From brade Fri Sep 20 17:31:57 1991 To: bradsi Cc: bradc; braddir; dosmktg; lizsi; w-carrin; w-maria Subject: PC Week and DR DOS Date: Fri Sep 20 17:32:48 PDT 1991


Carrine's great work got us the oppurtunity to feed pc week some info on where to look for bugs with dr dos. I have had a couple of conversations with lenny bailes who is helping with the ms-dos 5 versus dr-dos 5 evaluation process.

Today tom and i talked to him. on the negative side i probably brought up one two many things for him to look at. it is difficult to appropriately and professionally try and trash your competitor. also on the negative side, lenny clearly seems to be a dr dos fan. to be fair i think he is sincere and is trying to be balanced.

also on the negative side he did tells us that under 1 meg dr dos 6 was better than ms-dos 5 on 7 out of 10 machines they tested. no real details but i think the differences will be small.

on the positive side they did themselves find some of the setup problems (such as poor updating to config.sys) and he has passed on tp the pc weeks labs some of these configurations we suggested they look at that we uncovered with dr dos 5. he was also intrigued by some of the data from yesterday's dr-dos 6 test, in particular tom's problems when he entered a ton of nested directory names.

http://edge-op.org/iowa/www.iowaconsumercase.org/011607/0000/PX00964.pdf

-- court documents in the case of Comes v. Microsoft.

tonyka tests DR-DOS 6.0 ..

From: tonyka Thu Sep 19 18:44:04 1991 To: tomle Cc: brentk; dosdev; jefflo; vangard Subject: DR-DOS 6.0 Testing (9/19)


DR DOS beats us on a 386 system by 12,560 bytes conventional; their EMM386 is a combined XMS provider and expanded memory manager. I don't understand why MS DOS only gives 95kb UMB; maybe I need to include some region on emm386 line.

..


1) Please include All bugs in DR-DOS that are not in MS-DOS from Intel TESTMEM test suite Boundary test:

Allocating more (expanded memory) pages than available in system EMM did not return the expected results (returned 12 instead of 9A).

DTK 386 cold boot/hang problem:

After installing DR 6 on this machine, cold boot always results in a "Cannot load file". Press a key to retry." When press a key, the machine will boot fine. Warm boot always work without this problem.

Also there's intermittent hang after exiting EDITOR. It hung on me twice today. Haven't seen these problems happen on another machine.

Warm boot with HIDOS.SYS installed gives "Warning: Address line A20 already enabled."

..

2) Anything you did not like about DR-DOS

DR DOS reports version as 3.31; no lie table and programs won't run.


Their EDITOR looks antique (compared to ours); haven't used WORDSTAR for ages.

..


3) Anything you like about DR-DOS that we should add to future MS-DOS versions

DR MEM program output looks sharp: layout is clearer and offers more info than ours.

DOSBOOK online help looks pretty fancy and helpful.


DR SETUP lets user tune system after installation. This concept is good but their implementation is not useful enough.

..

Privileged Material Redacted


http://edge-op.org/iowa/www.iowaconsumercase.org/011607/0000/PX00963.pdf

From brade Fri Sep 20 17:31:57 1991 To: bradsi Cc: bradc; braddir; dosmktg; lizsi; w-carrin; w-maria Subject: PC Week and DR DOS Date: Fri Sep 20 17:32:48 PDT 1991


Carrine's great work got us the oppurtunity to feed pc week some info on where to look for bugs with dr dos. I have had a couple of conversations with lenny bailes who is helping with the ms-dos 5 versus dr-dos 5 evaluation process.

Today tom and i talked to him. on the negative side i probably brought up one two many things for him to look at. it is difficult to appropriately and professionally try and trash your competitor. also on the negative side, lenny clearly seems to be a dr dos fan. to be fair i think he is sincere and is trying to be balanced.

also on the negative side he did tells us that under 1 meg dr dos 6 was better than ms-dos 5 on 7 out of 10 machines they tested. no real details but i think the differences will be small.

on the positive side they did themselves find some of the setup problems (such as poor updating to config.sys) and he has passed on tp the pc weeks labs some of these configurations we suggested they look at that we uncovered with dr dos 5. he was also intrigued by some of the data from yesterday's dr-dos 6 test, in particular tom's problems when he entered a ton of nested directory names.

http://edge-op.org/iowa/www.iowaconsumercase.org/011607/0000/PX00964.pdf

-- court documents in the case of Comes v. Microsoft.


tonyka tests DR-DOS 6.0 ..

From: tonyka Thu Sep 19 18:44:04 1991 To: tomle Cc: brentk; dosdev; jefflo; vangard Subject: DR-DOS 6.0 Testing (9/19)


DR DOS beats us on a 386 system by 12,560 bytes conventional; their EMM386 is a combined XMS provider and expanded memory manager. I don't understand why MS DOS only gives 95kb UMB; maybe I need to include some region on emm386 line.

..


1) Please include All bugs in DR-DOS that are not in MS-DOS from Intel TESTMEM test suite Boundary test:

Allocating more (expanded memory) pages than available in system EMM did not return the expected results (returned 12 instead of 9A).

DTK 386 cold boot/hang problem:

After installing DR 6 on this machine, cold boot always results in a "Cannot load file". Press a key to retry." When press a key, the machine will boot fine. Warm boot always work without this problem.

Also there's intermittent hang after exiting EDITOR. It hung on me twice today. Haven't seen these problems happen on another machine.

Warm boot with HIDOS.SYS installed gives "Warning: Address line A20 already enabled."

..

2) Anything you did not like about DR-DOS

DR DOS reports version as 3.31; no lie table and programs won't run.


Their EDITOR looks antique (compared to ours); haven't used WORDSTAR for ages.

..


3) Anything you like about DR-DOS that we should add to future MS-DOS versions

DR MEM program output looks sharp: layout is clearer and offers more info than ours.

DOSBOOK online help looks pretty fancy and helpful.


DR SETUP lets user tune system after installation. This concept is good but their implementation is not useful enough.

..

Privileged Material Redacted


http://edge-op.org/iowa/www.iowaconsumercase.org/011607/0000/PX00963.pdf

From brade Fri Sep 20 17:31:57 1991 To: bradsi Cc: bradc; braddir; dosmktg; lizsi; w-carrin; w-maria Subject: PC Week and DR DOS Date: Fri Sep 20 17:32:48 PDT 1991


Carrine's great work got us the oppurtunity to feed pc week some info on where to look for bugs with dr dos. I have had a couple of conversations with lenny bailes who is helping with the ms-dos 5 versus dr-dos 5 evaluation process.

Today tom and i talked to him. on the negative side i probably brought up one two many things for him to look at. it is difficult to appropriately and professionally try and trash your competitor. also on the negative side, lenny clearly seems to be a dr dos fan. to be fair i think he is sincere and is trying to be balanced.

also on the negative side he did tells us that under 1 meg dr dos 6 was better than ms-dos 5 on 7 out of 10 machines they tested. no real details but i think the differences will be small.

on the positive side they did themselves find some of the setup problems (such as poor updating to config.sys) and he has passed on tp the pc weeks labs some of these configurations we suggested they look at that we uncovered with dr dos 5. he was also intrigued by some of the data from yesterday's dr-dos 6 test, in particular tom's problems when he entered a ton of nested directory names.

http://edge-op.org/iowa/www.iowaconsumercase.org/011607/0000/PX00964.pdf

-- court documents in the case of Comes v. Microsoft.

Allchin: make sure DR-DOS has problems in the future ..

>From bradsi Fri Sep 91 10:01:22 PDT To bradc; jimail; johnlu; mikemur; paulma; russs; steveb; tonya Cc: mackm Subject: dri/novell/ibm

.. drdos has problems running windows today. And I assume will have more problems in the futire.

..

To: bradsi Subject: RE: dri/novell/ibm Date Fri Sep 27 18:26:52 PDT 1991

You should make sure it has problems in the future :)

jim

..

>From bradc Fri Sep 27 18:35:22 1991 To: bradsi Cc: bradc; richab; richf; loaya Subject: FW: FYI - Windows message Date Fri Sep 27 18:36:31 PDT 1991

..

I asked to have this forwarded to me.

Two cents from richf and I;

1) The check for dr dos better be perfect, otherwize you could be in a heep of trouble ..

..

4) The PC-DOS statement is problematic if ibm calls dr dos pc dos 6 so we think that we have to not state ms-dos or pc-dos directly

..

we can get the message out that they don't work with windows without seeming so manipulative. We need to say the right thing so that people get the right message - we are helping users by giving them info that windows is only tsted on ms-dos.

http://edge-op.org/iowa/www.iowaconsumercase.org/011607/0000/PX00978.pdf --

court documents in the case of Comes v. Microsoft.

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