An Operating System is software made of data and programs that has a control to execute the application programs. It acts as an interface between hardware and applications.
The two main purposes to develop on an Operating System are:
· An Operating system can have power over the usage and allocation of the various computer resources.
· An Operating system serves as an interface between the programmer and computer hardware. This makes it easy for coding, creating and debugging of the programs required for applications.
The Operating System must maintain the tasks such as:
· Create and modify the program and data file with help of an editor.
· Compiler must be accessible in order to decipher the user programs from high level language to machine language.
· Offer a loader program to shift the compiled program to the memory of the computer for further executions.
· Offer routines to manage the details of I/O programming.
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