Can I run Linux on an RS/6000 ?

Some distributions can be installed on some RS/6000's.
They only support a subset of the available cards.

For more information see:

http://www.rs6000.ibm.com/linux
http://oss.software.ibm.com/developerworks/opensource/linux/projects/p

http://www.linuxppc.com
http://www.linuxppc.org
http://www.yellowdog linux.com
http://www.suse.com/products/susesoft/PPC
http://www.debian.org