I have the following in my .login to put the cwd in the prompt:
set prompt="gn:$cwd ->"
alias cd 'cd \!*;set prompt="gn:$cwd ->"'
If your system does not set cwd, then simply replace $cwd with `pwd`
I have used both at one point or another, and they have worked...
Hope this helps...
Larry
daffner at ecn.purdue.edu