Operating System and itsFundamental

Operating system is the software part of computer setup which is used to manage and maintain the connection between software and hardware part your computer. There is lot of operating system used for computer. Here in this blog some fundamentals of operating system are describes below:

Access Control:
When you start a computer it runs in supervisor mode. Operating system has capability of placing the computer system in protected mode.

 Programs Execution:
The execution of any program wants from operating system to create a processes.  Process is created by operating system kernel by installing the program code from the disk.

File Management:
Operating systems have command over the application program to access the files stored on disk. The operating system like Unix and Linux implements  a file system virtually to get the access of different file system.