In 1991, when Linus Torvalds created Linux, an open-source operating system, it threatened Microsoft’s business as Linux was an alternative to one of its core products-Windows.
The open-source nature of Linux allowed developers worldwide to contribute to its development, resulting in a robust and versatile operating system. Secondly, Linux’s stability, security, and scalability made it suitable for a wide range of applications, from personal computers to servers and embedded devices.