informIT: Introduction to User Mode Linux Aug 1, 2006, 07 :30 UTC (0 Talkback[s]) (5553 reads) (Other stories by Jeff Dike)
"User Mode Linux (UML) is a virtual Linux machine that runs on Linux. Technically, UML is a port of Linux to Linux. Linux has been ported to many different processors, including the ubiquitous x86, Sun's SPARC, IBM and Motorola's PowerPC, DEC's (then Compaq's and HP's) Alpha, and a variety of others. UML is a port of Linux in exactly the same sense as these. The difference is that it is a port to the software interface defined by Linux rather than the hardware interface defined by the processor and the rest of the physical computer..."
