Dive into the intricacies of File Allocation Table (FAT32) in this comprehensive video tutorial from the "Write your own Operating System" series. Learn how to access directories and files created in previous lessons, understand the structure of FAT32, and explore key concepts such as bias parameter blocks, reserved sectors, and root clusters. Discover how to convert sectors to bytes, work with Windows terms, and handle extended data. Gain insights into directory and cluster structures, FAT start positions, and cluster numbering. Master techniques for breaking loops, managing file names, and dealing with illegal files. This hour-long session provides hands-on experience in implementing FAT32 in your custom operating system, equipping you with essential skills for OS development.