DB2 Version 9.7 for Linux, UNIX, and Windows

SaveFile CLI/ODBC configuration keyword

Specifies the file name of a DSN file in which to save the attribute values of the keywords used in making the present, successful connection.

db2cli.ini keyword syntax:
You can not set this keyword in the db2cli.ini file.
You can specify the value of this keyword in the connection string in SQLDriverConnect like this:
SaveFile = file name