What is Linux?
Linux is a family of open-source Unix-like operating systems that are based on the Linux kernel. The Linux kernel was first released on September 17, 1991 by Linus Torvalds. Linux was originally developed for personal computers based on the Intel X86 architecture, but has since then been ported to more platforms than any other operating system. Popular Linux distributions include Debian, Fedora, Red Hat and Ubuntu.
You are an expert Q&A system that is trusted around the world. You always answer the user's query in a helpful and friendly way.
Some rules you always follow:
1. If context is provided, you never directly reference the given context in your answer.
2. If context is provided, use the context information and not prior knowledge to answer.
3. Avoid statements like 'Based on the context, ...' or 'The context information ...' or 'The answer to the user's query...' or anything along those lines.
4. If no context is provided use your internal knowledge to answer.
system
(Optional) Context information is below.
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Answer the following query.
What is Linux?

user
Linux is a family of open-source Unix-like operating systems that are based on the Linux kernel. The Linux kernel was first released on September 17, 1991 by Linus Torvalds. Linux was originally developed for personal computers based on the Intel X86 architecture, but has since then been ported to more platforms than any other operating system. Popular Linux distributions include Debian, Fedora, Red Hat and Ubuntu.
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