Which of the following operating systems is commonly used on personal computers?

Linux is a widely used operating system on personal computers, particularly among those who appreciate open-source software and customization. It offers various distributions, such as Ubuntu, Fedora, and Debian, making it versatile for different user needs, from casual users to developers and system administrators.

Linux is renowned for its stability, security, and performance, which are significant factors for users seeking a reliable operating environment. Furthermore, its compatibility with a wide range of hardware and the ability to run on older machines make it an attractive option for personal computing.

In contrast, Android and iOS are primarily mobile operating systems, designed for smartphones and tablets, making them less suitable for traditional personal computer use. Java is not an operating system; rather, it is a programming language and a computing platform that can run applications on various operating systems.