SR (Synchronizing Resources) is a programming language which allows
    the writing of distributed programs, either distributing them on
    one machine or on several.  This implementation comes from the SR
    Project at the University of Arizona, and runs on VAX 8650 under
    4.3BSD/MtXinu, Sun 3/140 under SunOS3.4, Sun 2/120 under SunOS 3.4,
    and the Encore Multimax under UMAX.  Version 1.1.