Various surveys indicate that 40% of the embedded systems projects which could use a commercial kernel or RTOS do not use one. Surely a tool which can reduce the amount of software you must create and test by up to 50% is worth looking into! The purpose of this booklet is to familiarize the reader with the functions provided by a typical commercial kernel and how to utilize them. With a better understanding of this material, the benefits of using a kernel will become apparent.