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Give two features of user friendly operating system.

Answer Text:
-Graphical user interface: uses graphics to represent command.
-Forgiveness: that is the operating system should allow the user to recover from an error. For example Undo and Redo action.
-Speed: a faster operating system that allows applications to run more efficiently.
-Multi tasking: it should enable the user to carry out more than one task at the same time.