Operating System Functions And User Interface

Operating System Functions

◦Perform common computer hardware functions

◦Provide a user interface

◦Provide a degree of hardware independence

◦Manage system memory

◦Manage processing tasks

◦Provide networking capability

◦Control access to system resources

◦Manage files

User interface:
A function of the operating system that allows individuals to access and command the computer. 

Command-based user interface:
A particular user interface that requires text commands be given to the computer to perform basic activities
E.g., unix, DOS


Graphical user interface (GUI):
A user interface that uses pictures (icons) and menus displayed on the screen to send commands to the computer system

E.g. Windows, MAC OS