Sun Java System Web Server 7.0 Update 6 Administrator's Configuration File Reference
Example
The following obj.conf code maps requests for the
URI /~user/index.html to the file system path /home/user/public_html/index.html:
<If $path =~ "^/~([^/]+)(|/.*)$">
NameTrans fn="rewrite"
root="/home/$1/public_html"
path="$2"
</If>