Re: AW: [fd-dev] [OT] Microkernel architecture

2002-12-10 Thread Jorge . Lehner
Hello! El jue, 05-12-2002 a las 04:33, Jensen, Gerard escribió: ... > As we seem to have Dosemu specialists here: how would one set up an account > under Linux so that it won't use bash as the shell but rather give you a DOS > terminal screen? And: do we actually have a working VT100 capable teln

Re: [fd-dev] [OT] Microkernel architecture

2002-12-06 Thread Aitor Santamaria Merino
Hi, Something interesting! Now I remember where I took my information from: Undocumented DOS, the times of NT4 came later, I guess ;-)) Aitor > On Wed, 2002-12-04 at 10:34, Aitor Santamaria Merino wrote: > > > And I'll admit that I don't know much of the internal structure of NT, > > > but I'm

Re: AW: AW: [fd-dev] [OT] Microkernel architecture

2002-12-06 Thread Florian Xaver
no longer. its free. and you are allowed to distribute it (changed or not), as long as the copyright notice remains intact ( very similar to SHSUCDX) Yes, the source code has been released i think 1 or 2 month ago. bye, flox -- Florian Xaver http://www.drdos.org unofficial dr-dos site http://www

Re: AW: AW: [fd-dev] [OT] Microkernel architecture

2002-12-05 Thread tom ehlert
> > Sorry for a newbie to enter the discussion here. Was just wondering, it > > appears to me this is just the sort of thing that "Tripple Dos" does - > > multitasking so you could run multiple instances of DOS. Maybe you > > were thinking of something else, I don't know... > > > > Yes, but Tr

Re: AW: AW: [fd-dev] [OT] Microkernel architecture

2002-12-05 Thread Imre Leber
> Sorry for a newbie to enter the discussion here. Was just wondering, it > appears to me this is just the sort of thing that "Tripple Dos" does - > multitasking so you could run multiple instances of DOS. Maybe you > were thinking of something else, I don't know... > Yes, but Tripple Dos is c

Re: AW: AW: [fd-dev] [OT] Microkernel architecture

2002-12-05 Thread George Bell
Gerard and/or somebody uttered: as you can much easier start multiple instances of Dosemu, it is unnecessary work to add a VMM to FreeDOS. Just use the one of Linux to run multiple Dosemus... However, file locking and sharing in Dosemu could be improved for that style of use. Sure - if you'r

AW: AW: [fd-dev] [OT] Microkernel architecture

2002-12-05 Thread Jensen, Gerard
> Hi Gerard, Hi Eric, > as you can much easier start multiple instances of Dosemu, it > is unnecessary work to add a VMM to FreeDOS. Just use the one > of Linux to run multiple Dosemus... However, file locking and > sharing in Dosemu could be improved for that style of use. Sure - if you're runn

re: AW: [fd-dev] [OT] Microkernel architecture

2002-12-05 Thread Eric Auer
Hi Gerard, as you can much easier start multiple instances of Dosemu, it is unnecessary work to add a VMM to FreeDOS. Just use the one of Linux to run multiple Dosemus... However, file locking and sharing in Dosemu could be improved for that style of use. You can always add "start Dosemu" to your

AW: [fd-dev] [OT] Microkernel architecture

2002-12-05 Thread Jensen, Gerard
Hi, > The Virtual Machine Manager. The true 32-bit operating system under > "Windows 386 enhanced mode" (but unbounded to Windows itself). Just as a thought on the side: there seem to be quite a number of people that use Dosemu with FreeDOS on a Linux machine. Would it not be interesting to writ

Re: [fd-dev] [OT] Microkernel architecture

2002-12-04 Thread Paul Case
Aitor Santamaria Merino wrote: What's VMM? The Virtual Machine Manager. The true 32-bit operating system under "Windows 386 enhanced mode" (but unbounded to Windows itself). Ah, I believe in NT it's called the HAL (Hardware Abstraction Layer). And I'll admit that I don't know much of the

Re: [fd-dev] [OT] Microkernel architecture

2002-12-04 Thread Paul Berger
On Wed, 2002-12-04 at 10:34, Aitor Santamaria Merino wrote: > > And I'll admit that I don't know much of the internal structure of NT, > > but I'm pretty sure that at least until 4.0, you could have device > > drivers that would run in kernel mode, which would be indicative of a > > monolithic k

Re: AW: [fd-dev] [OT] Microkernel architecture

2002-12-04 Thread Bart Oldeman
On Wed, 4 Dec 2002, Aitor Santamaria Merino wrote: > I like DOS despite its limitations. Some say that DOS is monolothic, but > I can't understand this, bearing in mind that there are loadable device > drivers, and many other stuff that is "plugged" by hooking interrups. I > tend to consider that

Re: [fd-dev] [OT] Microkernel architecture

2002-12-04 Thread Aitor Santamaria Merino
I don't think so, because this would mean that NT is microkernel and VMM is monolithic... What's VMM? The Virtual Machine Manager. The true 32-bit operating system under "Windows 386 enhanced mode" (but unbounded to Windows itself). And I'll admit that I don't know much of the internal st

Re: [fd-dev] [OT] Microkernel architecture

2002-12-04 Thread Paul Case
Aitor Santamaria Merino wrote: NT = Microkernel? Not exactly. The difference between monolithic- vs. micro- kernel is mainly how device drivers run. In a microkernel design, all device drivers run in user mode, and there's only 1 or 2 processes in kernel mode (a task switcher, and the code t

Re: [fd-dev] [OT] Microkernel architecture

2002-12-04 Thread Aitor Santamaria Merino
Arkady V.Belousov wrote: X-Comment-To: Aitor Santamaria Merino Hi! 4-äÅË-2002 13:15 [EMAIL PROTECTED] (Aitor Santamaria Merino) wrote to [EMAIL PROTECTED]: ASM> NT is microkernel too, in my understanding it's a little advantage over ASM> Linux at this moment (?). This ("NT is microkernel"

Re: [fd-dev] [OT] Microkernel architecture

2002-12-04 Thread Arkady V.Belousov
X-Comment-To: Aitor Santamaria Merino Hi! 4-äÅË-2002 13:15 [EMAIL PROTECTED] (Aitor Santamaria Merino) wrote to [EMAIL PROTECTED]: ASM> NT is microkernel too, in my understanding it's a little advantage over ASM> Linux at this moment (?). This ("NT is microkernel") is only marketing hype.

Re: [fd-dev] [OT] Microkernel architecture

2002-12-04 Thread Aitor Santamaria Merino
Paul Case wrote: Aitor Santamaria Merino wrote: Minix is based on a microkernel architecture. Linux uses a monolithic kernel instead - and this inherent difference of architecture caused that by now well known "fall-out" between Tannenbaum and Torwalds, remember? No wonder thus that when in

Re: AW: [fd-dev] [OT] Microkernel architecture

2002-12-04 Thread Aitor Santamaria Merino
Hi, Jensen, Gerard wrote: Has anyone tried GNU-Mach and GNU-Hurd? At a version level of 0.2? A pitty ;-) NT is microkernel too, in my understanding it's a little advantage over Linux at this moment (?). Woah, hang on: NT uses a modified microkernel. Process Manager and Virtual Memory M

Re: [fd-dev] [OT] Microkernel architecture

2002-12-04 Thread tom ehlert
> Interprocess communication in a true microkernel architecture is a drag > though (simply a question of overhead you generate if you send messages > instead of directy talking to the hardware). It's mostly a drag, because 'pure' message passing involves context ('process') switching, which is *ve

Re: [fd-dev] [OT] Microkernel architecture

2002-12-04 Thread Paul Case
Aitor Santamaria Merino wrote: Minix is based on a microkernel architecture. Linux uses a monolithic kernel instead - and this inherent difference of architecture caused that by now well known "fall-out" between Tannenbaum and Torwalds, remember? No wonder thus that when in March 1994 versio

RE: [fd-dev] [OT] Microkernel architecture

2002-12-04 Thread Kristaps Kaupe
> NT is microkernel too, in my understanding it's a little > advantage over > Linux at this moment (?). NT is not true microkernel architecture. >From www.rectos.com: "The ReactOS architecture is based on that of Microsoft Windows NT 4.0. Although Microsoft claims that the architecture is a mod

AW: [fd-dev] [OT] Microkernel architecture

2002-12-04 Thread Jensen, Gerard
> Has anyone tried GNU-Mach and GNU-Hurd? At a version level of 0.2? > I didn't have time to have a look myself, but I am willing to see a > replacement of Linux kernel where one does not have to recompile, for > example, to activate the FrameBuffer, to add devices or to many other > things

[fd-dev] [OT] Microkernel architecture

2002-12-04 Thread Aitor Santamaria Merino
Minix is based on a microkernel architecture. Linux uses a monolithic kernel instead - and this inherent difference of architecture caused that by now well known "fall-out" between Tannenbaum and Torwalds, remember? No wonder thus that when in March 1994 version 1.0 was presented at the Universit