I get the following on the latest from arc-wiki (Tue Feb 26 10:33:26 PST 2008):
Use (quit) to quit, (tl) to return here after an interrupt.
arc> (defop hello req (pr "hello world"))
#<procedure:gs1657>
arc> (asv)
The syntax of the command is incorrect.
ready to serve port 8080
'uname' is not recognized as an internal or external command,
operable program or batch file.
make-string: expects argument of type <non-negative exact integer>; given -1
=== context ===
cut
date
memodate
srvlog
gs1078
handle-request-thread