Functions of operating system

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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