hello..
on my selection screen , ther is an entry say directory, in which the user enteres the drive(C: or d: or e:) of the system...
in selection screen validations, i hav to check whether or not this drive exists (or partitioned)in the system and if not give an error message...
cud any1 sugest me of how to go abt it..???(any function module also )
regards...
vishal