Is the operating system hardware or software What are the tw

Is the operating system hardware or software? What are the two main functions operating system perform?

Solution

1)operating system is software

2)two main functions are
i) it is used to save data in storage devices ,and it loads the programs in to memory and also used maintain the data in the form of files using its file system
ii)it is used as bridge between hardware and software to communicate with each other
iii)it is used to monitor the system parts