Hi, Can u please help me? I use exec command for running mysqldump. why can't i find the output file of mysqldump? I aldi try at shell command, it run succesffully. Pls help me, I really don't know what is going wrong. The code as follows:- system ("/usr/local/mysql/bin/mysqldump ABC /home/DEF.sql); Thanks for your reply. __________________________________________________ Do You Yahoo!? Send your FREE holiday greetings online! http://greetings.yahoo.com