Exploring the Key Functions of an Operating System
An Operating System manages all the hardware resources in a computer. It perform all basic tasks like managing files, program, storage etc.
- A file is like a notebook in real life which stores data, information, settings, or commands used with a computer program on your HDD or SSD.
- A directory or folder is used to organize, separate files on a computer.
- Operating System comes with a software that manages theses data files.
- Operating System manages RAM or Primary Memory.
- OS decides what, when to load data, program into RAM from HDD or SSD.
- Keeps track of each and every memory location..
- Operating System keeps track of all the devices connected to it.
- It has a software which is responsible for managing all devices.
- Deallocates devices when they are no longer required.
- A process is a program which is running in a computer.
- Operating System decides when to allocate the Processor or CPU to process a request. It also decides the order and time required of all processes.
- Operating system keeps track of the time and computer resources used by programs, tasks and users.
- This information can be used to track resource usage for a particular user or group of users.
- The operating system makes sure that only trusted user or programs is authorized to work in computer using password protection to protect user data and similar other techniques.
- It prevents unauthorized access to programs and user data.