please help me
511644Jul 12 2006 — edited Jul 12 2006Please help me,I know mkdir makes a new direcrtory and cp copies,but I am not able to understand clearly what is going on with these two lines
(1)log_dir=`echo $work_dir/$job_id`
mkdir $log_dir
(2)cp $lib_dir/$job_control_file $work_dir/$job_id/$job_control_file