Operating systems can be classified into different types based on their interface, user friendliness, and functionality. Different types of operating systems are: Character user interface (CUI)-based operating systems Graphical user interface (GUI)-based operating systems Single-user operating systems Multi-user operating systems Single-tasking operating systems Multitasking operating systems Real-time operating systems 1. Character User Interface (CUI)-Based Operating Systems: MS-DOS and UNIX (not newer Linux) Such an interface is also called a Command-Line Interface (CLI). 2. Graphical User Interface (GUI)-Based Operating Systems GUI-based operating systems are easy to use because the user can click menus and icons rather than type cryptic commands. Users can use a device called a mouse to select an application, after which the operating system will load and run it. In comparison to a CUI-based operating system, a GUI based operating system is slower and needs ...
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