CEVAP:

The main objectives of the operating system can be summarized as follows:

• Enables the users to use computer in a convenient and efficient manner
• Hides complexity of the hardware resources from the users
• Acts as an intermediary between the computer hardware and its users
• Manages the resources of a computer system
• Keeps track of who is using which resource in order to grant resource requests
• Mediates conflicting requests from different programs and users
• Provides efficient and fair sharing of resources among users and programs