Wed, 12 Dec 2001 04:35:26 +0530
1.Lower level modules are kept intact
2. C# services are added over,for essentially the same effect
1.C# executable slower in any way than C/C++?
2. Integrating such infrastructure really that massive effort?
----- Original Message -----
From: "Daniel Carrera" <firstname.lastname@example.org>
To: "John Rebbeck" <email@example.com>
Sent: Saturday, April 13, 2002 2:33 PM
Subject: Re: [Mono-list] Linux.NET
> You can't write an OS in C#
> First, C# just isn't fast enough. To write an OS you need a level of
> power that only C and assembly can provide. You need low-level access
> and you need efficiency. The Linux kernel is written in C, not C++ (a few
> compoents are probably even in assembly).
> Second, Linux is already immesnsely configurable. It is already divided
> into a kernel and a set of modules. Most of the code in Linux is
> actually on the modules. You can choose to only run the modules you
> need. This customisability is part of the reason why Linux is so
> succesful in the embedded market.
> Third, I have trouble seeing how this idea would be possible. C# code is
> compiled to the IL. Then a JIT turns this into native code just before
> running it. By the time you have all this infrastructure you will just
> about have an entire OS. There won't be much left to write on C#.
> On Sat, 13 Apr 2002, John Rebbeck wrote:
> > Would it be possible to create a (or use an existing) Linux kernel in
> > C++ but only the minimum required to implement the Mono version of the
> > CLR (and whatever else is needed to run .NET applications) and to set
> > some properties to load a chosen program when it starts (the explorer
> > program)? This way you could build an OS almost completely in C# which
> > is much easier to program than C++. You would be able to download OS
> > components from the web, download interfaces, etc. similar to the
> > current versions of Linux and you could completely customise the OS.
> > With this, if you wanted a PC to do set specific tasks you wouldn't
> > have to install an OS, only the kernel, then you just build on that, and
> > you can't do this with Windows because you have to install everything
> > first.
> > Anyway, just thinking out loud. If anyone wants to try this I'd love to
> > build some of the C# components for it, and anything else I can do to
> > help. Also, please tell me about it because I would love to have an OS
> > as functional as Windows but without the crap.
> > Cheers,
> > John
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