The Linux Developer's Resource Infomagic KNIGHT 6 CD Set is a comprehensive collection of operating system resources specifically designed for Linux developers. Produced by InfoMagic, this set includes a variety of CDs that cover topics such as Red Hat, Slackware, and kernel development. With a focus on English language content, this product offers a valuable resource for those looking to enhance their knowledge and skills in the realm of Linux operating systems. Made in the United States, this CD set is a must-have for any Linux enthusiast seeking to expand their expertise.