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Subject[ANNOUNCE] Cooperative Linux
Hello fellow developers, kernel hackers, and open source contributors,

Cooperative Linux is a port of the Linux kernel which allows it
to run cooperatively under other operating systems in ring0 without
hardware emulation, based on very minimal changes in the architecture
dependent code and almost no changes in functionality.

The bottom line is that it allows us to run Linux on an unmodified
Windows 2000/XP system in a practical way (the user just launches
an app), and it may eventually bring Linux to a large sector of desktop
computer users who wouldn't even care about trying to install a
dual boot system or boot a Linux live CD (like Knoppix).

Screen-shots and further details at:

Our motto is:

"If Linux runs on every architecture, why should another
operating system be in its way?"

coLinux is similar to plex86 in a way that it implements a Linux-specific
lightweight VM with I/O virtualization. However, it is designed to be
mostly host-OS independent, so that with minimal porting efforts it
would be possible to run it under Solaris, Linux itself, or any operating
system that supports loading kernel drivers, under any architecture that
uses an MMU. Unlike other virtualization methods, it doesn't base its
implementation on exceptions that are caused by instructions.

Cooperative Linux is like the kernel mode equivalent of User Mode Linux.
It relies on the host OS kernel-space interfaces rather than relying on
host OS user-space interfaces.

Currently, it is stable enough (on some common hardware configurations)
for running a fully functional KNOPPIX/Debian system on Windows (see
website screen-shots).

Another project close to achieving that goal is the Windows port of
User Mode Linux (

Project page:

Thank you for your time,

- The coLinux development team.

This Open Source project is sponsored and produced by AIST, 2004

Dan Aloni
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