Its features are as follows: –
1. Memory management: –
An operating system manages memory, it keeps complete information of primary memory and sees which part of the memory is used by which program. Whenever a program requests, it allocates memory.
2. Processor Management: –
This program allocates the processor (CPU) and when a program needs CPU to finish it also deallocate it.
3. Device management: –
OS keeps track of all devices, it is also called the I / O controller. And the OS also decides which device to be given, when and how long it will be given.
4. File Management: –
It allocates and deallocate resources and decides which programs to be given the resources, that is to be allocated.
5. Security (Security): –
This protects any program or data from unauthorized access. In this, password and other techniques are used.
6. Reliability (reliable): –
It is very reliable because it can detect any virus and harmful codes.
7. Cost: –
The operating cost of the operating system is determined based on its features such as – The cost of windows is around 100 $, while DOS and UNIX operating systems are free.
8. ease of use: –
It can be easily used because it also has a GUI interface.