Operating Systems What is an Operating System? (2) G a program that acts as an intermediary between a user of a computer and the computer hardware Operating system goals: A Execute user programs and make solving user problems easier w Make the computer system convenient to use t Use the computer hardware in an efficient manner a Permit effective development, testing, and introduction of new system functions without interfering with service.(易于扩充) Gao Haichang, Software School, Xidian UniversityOperating Systems Gao Haichang , Software School, Xidian University 9 What is an Operating System?(2)  A program that acts as an intermediary between a user of a computer and the computer hardware.  Operating system goals:  Execute user programs and make solving user problems easier.  Make the computer system convenient to use.  Use the computer hardware in an efficient manner.  Permit effective development, testing, and introduction of new system functions without interfering with service. （易于扩充）