{"id":42995,"date":"2018-01-26T18:01:13","date_gmt":"2018-01-26T10:01:13","guid":{"rendered":"https:\/\/www.hongkiat.com\/blog\/?p=42995"},"modified":"2018-01-26T18:32:08","modified_gmt":"2018-01-26T10:32:08","slug":"cmd-challenge-webapp","status":"publish","type":"post","link":"https:\/\/www.hongkiat.com\/blog\/cmd-challenge-webapp\/","title":{"rendered":"Test Your Command Line Knowledge with the CMD Challenge"},"content":{"rendered":"<p>We\u2019ve discussed the importance of <strong><a href=\"https:\/\/www.hongkiat.com\/blog\/developers-command-line\/\/\">learning the command line<\/a><\/strong> and it\u2019s more important now than ever before. But, it\u2019s also a difficult subject to breach, <strong>with a steep learning curve<\/strong>. If you aren\u2019t sure where to start or how much you need to learn try the <strong><a href=\"https:\/\/cmdchallenge.com\/\" target=\"_blank\">Command Line Challenge<\/a><\/strong>.<\/p>\n<p>This free website <strong>gives specific tasks<\/strong> you need to solve using only the command line. It starts with easy challenges and often gives you hints, but <strong>progressively increases in difficulty<\/strong>.<\/p>\n<figure><a href=\"https:\/\/cmdchallenge.com\/\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/assets.hongkiat.com\/uploads\/cmd-challenge-webapp\/01-cmd-commandline-challenge-homepage.jpg\" alt=\"CMD CLI challenge homepage\" width=\"1000\" height=\"438\"><\/a><\/figure>\n<p class=\"note\"><strong>Read Also:<\/strong> <a target=\"_blank\" href=\"https:\/\/www.hongkiat.com\/blog\/web-designers-essential-command-lines\/\">Basic & Essential Command Lines Every Web Designers Should Grasp<\/a><\/p>\n<p>I\u2019d mostly recommend this tool to experienced coders who want to<strong> push their knowledge of the CLI further<\/strong>. Although it is a great way to compare your skillset against what other developers think you should know.<\/p>\n<p>The entire project was created as a <strong>testing ground for developers<\/strong> and has since grown into a popular resource for learning & playing with the Unix command line shell.<\/p>\n<p>All the source code was <strong>released for free on <a href=\"https:\/\/gitlab.com\/jarv\/cmdchallenge-site\" target=\"_blank\">GitLab<\/a> and <a href=\"https:\/\/github.com\/jarv\/cmdchallenge-site\" target=\"_blank\">GitHub<\/a><\/strong>, so you can even download this and host a copy yourself. You can learn more about the p<strong>roject\u2019s creation & hosting setup<\/strong> on the <a href=\"https:\/\/cmdchallenge.com\/\" target=\"_blank\">About page<\/a> which details the <a href=\"https:\/\/www.hongkiat.com\/blog\/amazon-s3-the-beginners-guide\/\">AWS configuration<\/a> required to keep it running.<\/p>\n<p>Also, if you look towards the bottom of the homepage you\u2019ll find some <strong>specific challenges you can try<\/strong>. Some were created by users who requested the challenges, so there\u2019s a <strong>wide range of difficulty<\/strong>.<\/p>\n<figure><a href=\"https:\/\/cmdchallenge.com\/\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/assets.hongkiat.com\/uploads\/cmd-challenge-webapp\/02-list-of-cmd-challenges.jpg\" alt=\"List of CMD challenges\" width=\"1000\" height=\"446\"><\/a><\/figure>\n<p>In fact, anyone with a great idea can <strong><a href=\"https:\/\/github.com\/jarv\/cmdchallenge#contribute\" target=\"_blank\">suggest a challenge<\/a><\/strong> to be added to the app. Pretty cool!<\/p>\n<p>If you consider yourself a command line expert this is definitely a challenge you should take. It\u2019s <strong>surprisingly informative<\/strong> and if you really push yourself with these challenges you can learn a lot.<\/p>\n<p>If you have any questions or want to share your thanks just drop a quick tweet to the official Twitter account <a href=\"https:\/\/twitter.com\/thecmdchallenge\" target=\"_blank\">@thecmdchallenge<\/a>.<\/p>\n<p class=\"note\"><strong>Read Also:<\/strong> <a target=\"_blank\" href=\"https:\/\/www.hongkiat.com\/blog\/basic-linux-commands\/\">29 Linux Commands You Must Know<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>We\u2019ve discussed the importance of learning the command line and it\u2019s more important now than ever before. But, it\u2019s also a difficult subject to breach, with a steep learning curve. If you aren\u2019t sure where to start or how much you need to learn try the Command Line Challenge. This free website gives specific tasks&hellip;<\/p>\n","protected":false},"author":18,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[3393],"tags":[3053],"topic":[4520],"class_list":["entry-content","is-maxi"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.8 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Test Your Command Line Knowledge with the CMD Challenge - Hongkiat<\/title>\n<meta name=\"description\" content=\"We&#039;ve discussed the importance of learning the command line and it&#039;s more important now than ever before. But, it&#039;s also a difficult subject to breach,\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.hongkiat.com\/blog\/cmd-challenge-webapp\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Test Your Command Line Knowledge with the CMD Challenge\" \/>\n<meta property=\"og:description\" content=\"We&#039;ve discussed the importance of learning the command line and it&#039;s more important now than ever before. But, it&#039;s also a difficult subject to breach,\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.hongkiat.com\/blog\/cmd-challenge-webapp\/\" \/>\n<meta property=\"og:site_name\" content=\"Hongkiat\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/hongkiatcom\" \/>\n<meta property=\"article:published_time\" content=\"2018-01-26T10:01:13+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2018-01-26T10:32:08+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/assets.hongkiat.com\/uploads\/cmd-challenge-webapp\/01-cmd-commandline-challenge-homepage.jpg\" \/>\n<meta name=\"author\" content=\"Jake Rocheleau\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@hongkiat\" \/>\n<meta name=\"twitter:site\" content=\"@hongkiat\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Jake Rocheleau\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.hongkiat.com\\\/blog\\\/cmd-challenge-webapp\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.hongkiat.com\\\/blog\\\/cmd-challenge-webapp\\\/\"},\"author\":{\"name\":\"Jake Rocheleau\",\"@id\":\"https:\\\/\\\/www.hongkiat.com\\\/blog\\\/#\\\/schema\\\/person\\\/966b2daea15283b4145e71aa98a82c2a\"},\"headline\":\"Test Your Command Line Knowledge with the CMD Challenge\",\"datePublished\":\"2018-01-26T10:01:13+00:00\",\"dateModified\":\"2018-01-26T10:32:08+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.hongkiat.com\\\/blog\\\/cmd-challenge-webapp\\\/\"},\"wordCount\":328,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.hongkiat.com\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.hongkiat.com\\\/blog\\\/cmd-challenge-webapp\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/assets.hongkiat.com\\\/uploads\\\/cmd-challenge-webapp\\\/01-cmd-commandline-challenge-homepage.jpg\",\"keywords\":[\"Command Line\"],\"articleSection\":[\"Toolkit\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.hongkiat.com\\\/blog\\\/cmd-challenge-webapp\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.hongkiat.com\\\/blog\\\/cmd-challenge-webapp\\\/\",\"url\":\"https:\\\/\\\/www.hongkiat.com\\\/blog\\\/cmd-challenge-webapp\\\/\",\"name\":\"Test Your Command Line Knowledge with the CMD Challenge - Hongkiat\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.hongkiat.com\\\/blog\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.hongkiat.com\\\/blog\\\/cmd-challenge-webapp\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.hongkiat.com\\\/blog\\\/cmd-challenge-webapp\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/assets.hongkiat.com\\\/uploads\\\/cmd-challenge-webapp\\\/01-cmd-commandline-challenge-homepage.jpg\",\"datePublished\":\"2018-01-26T10:01:13+00:00\",\"dateModified\":\"2018-01-26T10:32:08+00:00\",\"description\":\"We've discussed the importance of learning the command line and it's more important now than ever before. 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