On Tue, Jul 21, 2009 at 4:56 PM, Amarendra Godbole<amarendra.godbole at gmail.com> wrote: > > P.S.: I am still clueless as to what you intend to do. > There is a file I have shared via Samba. I want only one user to be able to open the file (for reading or writing) at a time. -aditya