The main functions of operating system are listed below
- Implementing the user interface.
- Sharing hardware among users.
- Allowing users to share data among themselves.
- Preventing users from interfering with one another.
- Scheduling resources among users.
- Facilitating input/output.
- Recovering from errors.
- Accounting for resource usage.
- Facilitating parallel operations.
- Organizing data for secure and rapid access.
- Handling network communications.
- Interpretation of commands and instructions.
- Establishment and enforcement of priority system.
- Automatic transition from job to job as directed by special control statements.
- Assignment of processor to different tasks being performed by computer system.
- Allocation of main memory and other storage areas to the system programs.
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