In article <316426.84476.qm at web52706.mail.re2.yahoo.com>,
    Mr Ian Primus <ian_primus at yahoo.com>  writes:
  [...] I know the Acorn
 Archimedes runs RiscOS, but what else? 
Are you talking about RISC/os, the SysV/BSD hybrid sold by MIPS for
their R3000 and later processors?
The Evans & Sutherland ESV workstation series used this operating
system.  I have two machines intact and a complete set of RISC/os
documentation.
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