On Mon, Jul 28, 2008, Gopinath Achari wrote: >hi, > > how to write a scripts which launches 10 pings to different >destinations at execution of single shell scripts > >please help me any ideas If your goal is to test connectivity, you might look at the perl Net::Ping module. ``perldoc Net::Ping'' has several examples of checking one or more systems to see if they are alive. BTW: Anybody know of a python equivalent to this? Bill -- INTERNET: bill at celestial.com Bill Campbell; Celestial Software LLC URL: http://www.celestial.com/ PO Box 820; 6641 E. Mercer Way Voice: (206) 236-1676 Mercer Island, WA 98040-0820 Fax: (206) 232-9186 A tax-supported, compulsory educational system is the complete model of the totalitarian state. -- Isabel Paterson, God of the Machine