Hi,

I would like to correct you on this. Bochs is a
simulator. There is a difference between a simulator
and an emulator. Emulator is something like VMWare.
Bochs is a classic simulator which simulates x86 via
software. It does not directly use the hardware.

An emulator uses hardware when ever possible. For e.g.
a clock tick interrupt from the underlying hardware
will be caught by VMWare code and shown as a clock
tick interrupt to the guest operating system.

However Bochs will do the same via the use of granular
timers through the code. 

Hence, a simulator will always run slower than an
emulator.

If you notice, one major difference between a
simulator and emulator is also the fact that an
emulator always ends up installing a device driver on
your system. A simulator never does this.

For detailed info follow this:
http://www.kernelthread.com/publications/virtualization/


> who asks for a "simulator" (rather than "emulator")
> and needs 
> to "practice" linux would better try to use a
> railroad tie 



                
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