.xtrekrc is not provided in that packaging, but you can provide one if
you place it in your home directory.
--
James Cameron
http://quozl.linux.org.au/
This one shows the values:
http://ftp.netrek.org/pub/netrek/clients/cow/XTREKRC
Here is an annotated one that has some explanations:
http://james.tooraweenah.com/darcs/netrek-client-cow/XTREKRC.example
Zach