Dear Rajeev , When checked on, the Modem lock option creates a file called LCK..Modem or thereabouts in /var/lock. It tells other apps that the modem is busy and may not be used. In a single user scenario.. this seems trivial but is actually not ! ITs good to have it turned on. Regards sh -- _______________________________________________________________ Shourya Sarcar <[EMAIL PROTECTED]> <Tel:91-033-4710477> Department of Computer Science and Engineering Jadavpur University Calcutta, India 700 032 All the world's a stage.. And I am acting tonight C - the difference : http://www.eskimo.com/~scs/C-faq/top.html -------------------------------------------------------------------- The Linux India Mailing List Archives are now available. Please search the archive at http://lists.linux-india.org/ before posting your question to avoid repetition and save bandwidth.