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7. The User Interface. Fig. 7.1: People communicate with the operating system through the user interface or shell by issuing commands. User Interface Functions. Identify user Specify program to be executed Specify peripheral device requirements Support run-time intervention.
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7 The User Interface
Fig. 7.1: People communicate with the operating system through the user interfaceorshell by issuing commands.
User Interface Functions • Identify user • Specify program to be executed • Specify peripheral device requirements • Support run-time intervention
Types of User Interfaces • Command interface • Menu interface • Graphic user interface • Expert system (voice-activated) interface • Web-form interface