Why are operating systems written in C? Why aren't other languages used?

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Amrathakara Bhat

Engineer,DS and Astrology Teaching expert.

Operating systems are often written in C due to a combination of historical reasons, performance considerations, and system-level functionality provided by the language. C is a low-level programming language that offers a good balance between high-level abstraction and low-level control over hardware...
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Operating systems are often written in C due to a combination of historical reasons, performance considerations, and system-level functionality provided by the language. C is a low-level programming language that offers a good balance between high-level abstraction and low-level control over hardware resources. Its syntax and features are well-suited for systems programming, providing direct access to memory and hardware components. Additionally, C allows for efficient manipulation of pointers and direct memory management, which is crucial for tasks like kernel development and system-level programming. Moreover, the portability of C plays a significant role in its preference for operating systems development. C programs can be easily adapted to different architectures, making it feasible to create operating systems that can run on a variety of hardware platforms. This portability is essential for the widespread adoption of an operating system across diverse computing environments. While other languages may offer higher-level abstractions or modern features, the trade-off between performance, control, and portability has contributed to C's enduring popularity in the realm of operating systems development. read less
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Python trainer believe in practical learning.

Operating systems are often written in C due to a combination of factors that make C a suitable choice for system-level programming. C is a low-level language that provides a good balance between abstraction and control, allowing developers to interact closely with hardware and manage system resources...
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Operating systems are often written in C due to a combination of factors that make C a suitable choice for system-level programming. C is a low-level language that provides a good balance between abstraction and control, allowing developers to interact closely with hardware and manage system resources efficiently. Its simplicity and closeness to the hardware make it well-suited for tasks like memory management, kernel development, and device drivers. C also offers a high level of portability, allowing operating systems written in C to be easily adapted to different hardware architectures without significant modifications. This portability is crucial for the widespread use of an operating system across diverse platforms. Furthermore, C is known for its performance and speed, making it a pragmatic choice for systems where efficiency is critical. The lack of runtime overhead and direct memory manipulation capabilities make C suitable for tasks that require precise control over system resources. read less
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Although the programming language used on embedded systems can vary from brand to brand, they are most commonly programmed in the C language, due to the language's features of flexibility, efficiency, performance, and closeness to the hardware.
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Engineering background teacher with 5+ years of teaching experience.

C is commonly used for developing operating systems due to its low-level capabilities, efficiency, and direct access to hardware. Its minimalistic design allows for better control over system resources, making it well-suited for tasks that require close interaction with hardware components. Additionally,...
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C is commonly used for developing operating systems due to its low-level capabilities, efficiency, and direct access to hardware. Its minimalistic design allows for better control over system resources, making it well-suited for tasks that require close interaction with hardware components. Additionally, C provides a good balance between high-level and low-level programming, making it easier to manage system-level tasks. While other languages might offer high-level abstractions, they often introduce additional layers of complexity and may not provide the same level of control over hardware. C's simplicity and efficiency make it a preferred choice for operating system development. read less
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Operating systems are written in C due to its efficiency, portability, control over system resources, legacy codebase, and predictable performance characteristics. While other languages like C++, Rust, Python, and Java are used for specific tasks, C remains the predominant choice for low-level system...
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Operating systems are written in C due to its efficiency, portability, control over system resources, legacy codebase, and predictable performance characteristics. While other languages like C++, Rust, Python, and Java are used for specific tasks, C remains the predominant choice for low-level system programming due to its direct hardware access and established ecosystem. read less
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C, Python FullStack, Java FullStack Coding Instructor

Operating systems are written in C primarily because it is a fast, efficient, and portable language. Other languages, such as Java and Python, are not as well-suited for writing operating systems because they are not as fast or efficient as C.
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I am online Quran teacher 7 years

Operating systems are written in C primarily because it is a fast, efficient, and portable language. Other languages, such as Java and Python, are not as well-suited for writing operating systems because they are not as fast or efficient as C.
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Related Questions

Which should I learn first, C or UNIX?
C is invented with a purpose of building UNIX operating system. So, you should go with C first and then you can start to work on UNIX/LINUX
Tushar
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What is the best website to learn c language?
NIIT online
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how much time does it take to learn c language from basic to advance range
3 month and also depend in your skill to learning power...
Nithin
how the right shift operator works on a numerical value?? eg:- 8>>3=?
Binary of 8 is "1000" and here by this command 3 bits of "1000" will be shifted to right. Hence Binary will be "0001" so your expressions answer will be "0001" i.e. 1
Abhishek
Can stdout be forced to print somewhere other than the screen?
Although the stdout standard stream defaults to the screen, you can force it to print to another device using something called redirection
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