What is Linux?
AnswerAn open source operating system kernel
Linux is the kernel behind many operating systems and servers.
Coding · Facts & stats
Source facts & stats
7 fact-checked facts about open source software and source code, each with the reason behind it. 5 more are in today's round and join this page after it closes.
The basics
What is source code?
AnswerHuman-readable instructions written by programmers
Source code is compiled or interpreted to run a program.
Going deeper
Who created the Linux kernel in 1991?
AnswerLinus Torvalds
Torvalds announced Linux as a hobby project in 1991.
Who created the version control system Git in 2005?
AnswerLinus Torvalds
Torvalds built Git to manage Linux kernel development.
What does GPL stand for?
AnswerGeneral Public License
The GNU GPL is a widely used copyleft license.
Expert level
Which of these licenses is permissive rather than copyleft?
AnswerMIT License
The MIT License allows reuse with minimal conditions.
In what year was the Free Software Foundation founded?
Answer1985
Richard Stallman founded the FSF in 1985.
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