Config file consists of the following.

a) Number of Processes or Nodes.

b) Actual Disk Storage Location.

The APT_Configuration file is having the information of resource disk,node pool,and scratch information,

node information in the since it contains the how many nodes we given to run the jobs, because based on the nodes only data stage will create processors at back end while running the jobs,resource disk means this is the place where exactly jobs will be loading,scratch information will be useful whenever we using the lookups in the jobs