Xv6, a simple Unix-like teaching operating system


Xv6 is a teaching operating system developed in the summer of 2006 for MIT's operating systems course, 6.828: Operating System Engineering. In 2019, we ported xv6 to RISC-V for a new undergraduate class 6.S081.

Xv6 sources and text

The latest xv6 source and text are available via
git clone git://github.com/mit-pdos/xv6-riscv.git
git clone git://github.com/mit-pdos/xv6-riscv-book.git

Unix Version 6

xv6 is inspired by Unix V6 and by:

The following are useful to read the original code:


If you are interested in using xv6 or have used xv6 in a course, we would love to hear from you. If there's anything that we can do to make xv6 easier to adopt, we'd like to hear about it. We'd also be interested to hear what worked well and what didn't.

Russ Cox (rsc@swtch.com)
Frans Kaashoek (kaashoek@mit.edu)
Robert Morris (rtm@mit.edu)

You can reach all of us at 6.828-staff@pdos.csail.mit.edu.

Questions or comments regarding 6.828? Send e-mail to the TAs at 6828-staff@lists.csail.mit.edu.

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