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The EMC project is at www.linuxcnc.org, Sherline is at www.sherline.com, and my original description is in the May 2004 DDJ. Stream and buy music from www.magnatune.com to avoid DRM-protected bits.
Paul McKenny's summary of Linux kernel RT methods is at lkml.org/lkml/2005/6/7/256. Another overview of Linux real-time approaches is at www.isd.mel.nist.gov/projects/rtlinux/intro-rtl.pdf. A version of Sven-Thorsten Dietrich's Linux Real-Time Technology presentation is at www.enseirb.fr/~kadionik/embedded/SRO853_DIETRICK.pdf. Montavista presents some benchmark results at www.mvista.com/products/realtime_benchmarks.html.
More background on virtualization at en.wikipedia.org/wiki/Virtualization. Find Yodaiken's patent 5,995,745 at patft1.uspto .gov/netahtml/PTO/srchnum.htm. More on the patent's licensing at www.linuxdevices .com/articles/AT2094189920.html. Quotes about the Internet are at cyber.law.harvard .edu/people/reagle/inet-quotations-19990709 .html.
Ubuntu is at www.ubuntu.com and if you favor KDE over GNOME, try www.kubuntu.org. The RTAI project is at www.aero.polimi.it/ ~rtai/index.html, Adeos is at http://home.gna .org/adeos, and useful examples of both are at www.captain.at. FreeRTOS is at www.freertos.org. RTLinux is at www.fsmlabs.com and www.rtlinuxfree.com. Ingo Molnar maintains the latest real-time kernel patches at people .redhat.com/~mingo/realtime-preempt.
Thanks to the SUNWAH LINUX folks (www.sw-linux.com) at LWE for giving me their very last overstuffed penguin mascot. They provide various Chinese-language Linux distros, embedded programs, and Asian-character-set translation routines, none of which I'm competent to evaluate.
DDJ
