TABLE 1: Controller File Types
File Type	Description
configuration	Specifies test conditions. Extension is .cfg.
script	Specifies the pages that a client requests from the server during the test and the Web files that make up those pages. Extension is .scr. You can customize this file for your applications.
distribution	Specifies the frequency with which the server requests the pages in the script file. Extension is .dst.
performance	Specifies which Performance Monitor counters and objects on the server the controller monitors during the test. Extension is .pfc.