This is not hell. I have had mercifully little exposure to this world, but I once had to implement ACLs for a storage system my company bult. We stored ACLs, a

This is not hell. I have had mercifully little exposure to this world, but I once had to implement ACLs for a storage system my company bult. We stored ACLs, and needed to make them available through Linux and Windows interfaces. Linux was easy. Windows (ca. 2006) was a fucking nightmare that puts this document to shame. From what I could tell, there was no concept of an API. There were data structures, and the interpretation of them depended on many things, including minor OS version.