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➤ What is Operating System?

An Operating System (OS) is an interface between a computer user and computer hardware.

An operating system is a software which performs all the basic tasks like file management, memory management, process management, handling input and output, and controlling peripheral devices such as disk drives and printers.
 
Some popular Operating Systems include Linux Operating System, Windows Operating System, VMS, OS/400, AIX, z/OS, etc. 


 ➤ 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.