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Index > MenuetOS > MenuetOS' kernel is monolithic or micro?

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fasm9



Joined: 19 Jun 2003
Posts: 439
fasm9
Just curious..

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regards
Post 16 Jul 2004, 06:09
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crc



Joined: 21 Jun 2003
Posts: 637
Location: Penndel, PA [USA]
crc
From what I've seen, it's monolithic
Post 16 Jul 2004, 10:24
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fasm9



Joined: 19 Jun 2003
Posts: 439
fasm9
Can you tell me the difference of them?

i knew linux is monolithic, gnu/hurd and ms-windows is micro.

personally, i like monolithic. don't know why. Wink
Post 16 Jul 2004, 10:30
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crc



Joined: 21 Jun 2003
Posts: 637
Location: Penndel, PA [USA]
crc
Linux is a hybrid; it's monolithic but supports separate modules

GNU/Hurd is based on Mach, and is a microkernel

Windows was based loosely on a microkernel design. but has become increasingly monolithic with each new version.

Monolithic kernels tend to be simpler than microkernels. They build all (or for a modular design) or most of the drivers into the kernel. This is simpler, and tends to be faster.

Microkernels are based on the idea that a kernel should implement little more than a schedular and interprocess communications. In theory they're nice, but outside of QNX they are normally more problematic than a monolithic kernel. On the other hand, they can be more stable since drivers are simply separate programs which can be stopped/restarted independently.

I prefer monolithic kernels myself -- simplicity is always nice Smile
Post 16 Jul 2004, 10:40
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fasm9



Joined: 19 Jun 2003
Posts: 439
fasm9
Linux could be able to run without module, module is just option.

i mean kernel can be recompiled with no-module.(with 0-module, but still have to type in shell, like this, debian:~#make modules_install; /usr/sbin/mkinitrd -o ...)
Post 16 Jul 2004, 10:55
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crc



Joined: 21 Jun 2003
Posts: 637
Location: Penndel, PA [USA]
crc
I know, but the code to handle modules exists in the source tree, that's why I called it a "hybrid" kernel Smile
Post 16 Jul 2004, 11:01
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maslan



Joined: 08 Sep 2003
Posts: 54
maslan
according to os design and implementation by ast & asw
monokothic : run all drivers(fs and devices) in kernel space
microkernel : run most of drivers in user space and they can connected through messages

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Post 17 Jul 2004, 05:28
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