The sample database files are usually in the ibi\apps\ibisamp diecrtory, which you should have in your path when developing. The car file load may need to be run with the loadcar procedure if the car.foc file is not there.

As Madhu said, the tutorials are worth getting into, they do help, though not with everything.

These sample data files are often useful for testing techniques and ideas before spending time on more complex production data.