Operating System: software that allows a user to run other applications on a computing device. While it is possible for a software application to interface directly with hardware, the vast majority of applications are written for an OS, which allows them to take advantage of common libraries and not worry about specific hardware details.
The following are the functions of Operating Systems:
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.
The table below is a comparison table of the 3 biggest Operating Systems: Windows, Macintosh, and Linux.
The following are the functions of Operating Systems:
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. Different programs and data execute in memory at one time. if there is no operating system, the programs may mix with each other. The system will not work properly.
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.
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.
The table below is a comparison table of the 3 biggest Operating Systems: Windows, Macintosh, and Linux.
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Windows
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Macintosh
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Linux
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They are 3 of the most used operating systems
There are over 750,000,000 active users of these OSs combined
All of them were made before 1995
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Created in 1985
Has 90% of the PC Market
Windows Vista and 7, requires a lot of computer resources (memory,
processor, disk space), and thus, runs slower.
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Created in 1984
Macs get almost no viruses
The cheapest modern Mac laptop is $1,200!
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Created in 1991
Downloadable and free
Linux computers are kind of hard and rare to find. They are also
complex to use.
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The following is a diagram of an Operating System
Thank you for reading!
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