Home›Articles›Why ProDOS broke with Apple DOS, and why users switched anywayArticleWhy ProDOS broke with Apple DOS, and why users switched anywayArticlesConnectionsSourcesComments (0)Reader Challenges (0)ConnectionsArticle OnApple ProDOS, Systems Well-attested SourcesWikipedia: Apple ProDOSBackground sectionQuote, Background sectionProDOS adds a standard method of accessing ROM-based drivers on expansion cards for disk devices, expands the maximum volume size from about 400 kilobytes to 32 megabytes, introduces support for hierarchical subdirectories (a vital feature for organizing a hard disk's storage space), and supports RAM disks on machines with 128 KB or more of memory.View the SourceAtlas Article Vocabularytier 1AtlasComments (0)No comments yet. Be the first to share a thought.Sign in to join the discussion.Reader Challenges (0)No disputes yet. Spotted an error or a better source? Open the first one.Sign in to dispute this or suggest a correction.