No.

>Is it possible to have one particular DBF default to open Shared, but have all of the others default to opening Exclusive? In other words, if I forget to type "SHARED" after
>USE ThisDBF.DBF
>
>it would still open Shared, but all of my other DBF's would open Exclsuive if I type
>USE OtherDBF.DBF
>
>without typing "EXCLUSIVE"?
>
>
>Jerry