An operating system is essential software that manages hardware and other software, performing tasks such as resource monitoring and allocation. It encompasses various managers including process, memory, device, and file managers, and supports different system types like batch, interactive, and real-time systems. While it enhances usability and performance, issues with the OS can result in data loss and unauthorized access.

1. .

2. An operating system software is the chief
piece of software. The portion of
computing system that manages all the
hardware and all of the other software.
IT HAS TO PERFORM SOME TASKS:
Moniter its resources continuously.
Enforces the policies.
Allocate the resources.
Deallocate the resources.

3. ☻Process manager(CPU).
☻Memory manager(MAIN MEMORY).
☻Device manager(KEYBOARD).
☻File manager(PRORAM FILES).

4. ♪ BATCH SYSTEM.
♪INTERACTIVE SYSTEM.
♪REAL TIME SYSTEM.
HARD REAL – TIME SYSTEM
SOFT REAL – TIME SYSTEM
♪HYBRID SYSTEM

5. ►Eliminate access points.
►Save money in the long run.
►Improves performance.
►Reduces holes in security.
►Remove unnecessary file shares.
►Limit ideal time and sleep settings.

6. ▲easy to use.
▲user friendly.
▲intermediate between all hardwares and
softwares of the system.
▲no need to know any technical languages.
▲Its the platform of all programs.

7. ♦if any problems affected in OS, you
may lose all the contents which
have been stored already.
♦unwanted user can use your own
system.