Hi,
Logical path... You can do it via FILE tcode.
Execute FILE tcode, you will know more.
For more details refer to
http://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/60e86545-9940-2d10-9f89-eb5bce1f9228?QuickLink=index&overridelayout=true&47519518718715
Regards,
Ravi