:PROPERTIES: :ID: 4346185a-bd58-4a1d-839e-c952670a5211 :mtime: 20240316063854 :ctime: 20240316063853 :END: #+title: block devices #+filetags: :operatingsystems:public:project: * Examples of Block Devices 1) disk drives 2) CD * Commands Allowed by Block Devices 1) read 2) write 3) seek * Types of Block Devices Can have 1) raw access or 2) via (e.g.) filesystem (“cooked”) or memory-mapped