시장 점유율
컴퓨팅세계 평정한 '리눅스'...커뮤니티도 살아있네
http://m.zdnet.co.kr/news_view.asp?article_id=20171030170645
구성 요소
대기 상태 - 위키백과, 우리 모두의 백과사전
https://ko.wikipedia.org/wiki/%EB%8C%80%EA%B8%B0_%EC%83%81%ED%83%9C
운영 체제의 예
Operating system market share
http://marketshare.hitslink.com/operating-system-market-share.aspx?qprid=8Statcounter Global Stats - Browser, OS, Search Engine including Mobile Usage Share
http://gs.statcounter.com/#os-ww-monthly-200910-200910-barW3Counter: Global Web Stats
http://www.w3counter.com/globalstats.php
운영 체제
Operating system market share
http://marketshare.hitslink.com/operating-system-market-share.aspx?qprid=10