Short for PowerPC [http://en.wikipedia.org/wiki/PowerPC],[http://www.freescale.com/webapp/sps/site/homepage.jsp?nodeId=018rH3bTdG],[http://www-03.ibm.com/chips/products/powerpc/], a family of CPUs popular for non-Intel Linux implementations [http://penguinppc.org/] and embedded systems, often Linux-based embedded systems [http://penguinppc.org/embedded/].