--- title: Beginner’s Guide to Linux | daily.dev description: The Linux kernel has 20 million lines of code and this is the smallest it has ever been. Linux is one of the biggest open-source projects in the world and... canonical: https://daily.dev/posts/beginner-s-guide-to-linux-ixoqkwkd2 twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Beginner’s Guide to Linux | daily.dev og:description: The Linux kernel has 20 million lines of code and this is the smallest it has ever been. Linux is one of the biggest open-source projects in the world and... og:url: https://daily.dev/posts/beginner-s-guide-to-linux-ixoqkwkd2 og:image: https://api.daily.dev/og/posts/ixOQKwKD2.png og:image:alt: Beginner’s Guide to Linux og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Beginner’s Guide to Linux **[gitconnected](https://daily.dev/sources/gc)** · 13 min read · 13 upvotes · 2 comments ## Summary The Linux kernel has 20 million lines of code and this is the smallest it has ever been. Linux is one of the biggest open-source projects in the world and about 95% of Linux is written using the C programming language. Some companies totally depend on Linux as it is more reliable, lightweight, secure, fast and opensource. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Community discussion Top comments from developers on daily.dev. **@crinto** · 0 upvotes > its a little basic, is usefull for start **@shubhsharma19** · 0 upvotes > Really helpful to start learning, Thankyou!!! --- Tags: [#linux](https://daily.dev/tags/linux) [View this post on daily.dev](https://daily.dev/posts/beginner-s-guide-to-linux-ixoqkwkd2) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Beginner’s Guide to Linux","url":"https://daily.dev/posts/beginner-s-guide-to-linux-ixoqkwkd2","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/beginner-s-guide-to-linux-ixoqkwkd2"},"datePublished":"2020-10-28T02:52:35.834Z","dateModified":"2021-10-07T14:17:10.317Z","description":"The Linux kernel has 20 million lines of code and this is the smallest it has ever been. 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