_COVERAGE System Variable
Contains the name of the Visual FoxPro application that creates the Debugger coverage and profiler output.
_COVERAGE = cProgramName
cProgramName
Specifies a coverage output application. If your coverage output application is in a directory other than the current Visual FoxPro default directory, include a path with the application name.You can also specify a coverage output application in your Visual FoxPro configuration file by including a line using this syntax:
_COVERAGE = cProgramName
By default, _COVERAGE contains Coverage.app, installed in your Visual FoxPro directory. You can specify a different name for the coverage output application.