PATIENCE EYRAM ALORKORBU
01172568D
CPS 3B
25/09/2019
OPEN SOURCE OPERATING SYSTEM-LINUX
FUNCTIONS OF AN OPERATING SYSTEM
An operating system is system software that manages computer hardware,
software resources, and provides common services for computer programs.
Operating system performs the following functions:
1. Booting: Booting is a process of starting the computer operating system
starts the computer to work. It checks the computer and makes it ready to
work.
2. Memory Management
It is also an important function of operating system. The memory cannot be
managed without operating system.
3. Loading and Execution
A program is loaded in the memory before it can be executed. Operating
system provides the facility to load programs in memory easily and then
execute it.
4. Data security
Data is an important part of computer system. The operating system protects
the data stored on the computer from illegal use, modification or deletion.
5. Disk Management
Operating system manages the disk space. It manages the stored files and
folders in a proper way.
