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Across
  1. 2. Programming language known for readability
  2. 5. The core component of an operating system
  3. 6. Code hosting platform acquired by Microsoft
  4. 8. Creator of Linux and Git
  5. 11. Founder of the Free Software Foundation
  6. 13. Popular open-source C compiler
Down
  1. 1. Open-source platform for containerization
  2. 3. Recursive acronym: "GNU's Not Unix!"
  3. 4. Version control system created by Linus Torvalds
  4. 7. Default shell on many Linux distributions
  5. 9. Command-line text editor famous for its modes
  6. 10. The OS kernel started by Linus Torvalds in 1991
  7. 12. Popular open-source web server software