{"id":17101,"date":"2024-04-15T05:09:00","date_gmt":"2024-04-15T05:09:00","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=17101"},"modified":"2024-04-15T05:09:00","modified_gmt":"2024-04-15T05:09:00","slug":"what-command-is-not-used-to-list-the-files-chap01-chap02-and-chap04-a-ls-chap-b-ls-chap124-c-ls-x-chap0124-d-ls-chap0124-e-none-of-the-above","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/what-command-is-not-used-to-list-the-files-chap01-chap02-and-chap04-a-ls-chap-b-ls-chap124-c-ls-x-chap0124-d-ls-chap0124-e-none-of-the-above\/","title":{"rendered":"What command is not used to list the files chap01, chap02 and chap04? A. ls chap* B. ls chap[124] C. ls &#8211; x chap0[124] D. ls chap0[124] E. None of the above"},"content":{"rendered":"<p>[amp_mcq option1=&#8221;ls chap*&#8221; option2=&#8221;ls chap[124]&#8221; option3=&#8221;ls &#8211; x chap0[124]&#8221; option4=&#8221;ls chap0[124] E. None of the above&#8221; correct=&#8221;option2&#8243;]<!--more--><\/p>\n<p>The correct answer is: <strong>B. ls chap[124]<\/strong><\/p>\n<p>The command <code>ls<\/code> lists the contents of the current directory. The asterisk (*) is a wildcard character that matches any number of characters. So, the command <code>ls chap*<\/code> will list all files and directories whose names start with &#8220;chap&#8221;. The command <code>ls chap[124]<\/code> will list all files and directories whose names start with &#8220;chap&#8221; and have one of the digits 1, 2, or 4 in the second position. However, this command will not list the file &#8220;chap03&#8221;.<\/p>\n<p>The command <code>ls -x chap0[124]<\/code> is similar to the command <code>ls chap[124]<\/code>, but it will also list hidden files. Hidden files are files whose names start with a dot (.). The file &#8220;chap03&#8221; is a hidden file, so it will be listed by the command <code>ls -x chap0[124]<\/code>, but it will not be listed by the command <code>ls chap[124]<\/code>.<\/p>\n<p>The command <code>ls chap0[124]<\/code> is not used to list the files chap01, chap02, and chap04.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[amp_mcq option1=&#8221;ls chap*&#8221; option2=&#8221;ls chap[124]&#8221; option3=&#8221;ls &#8211; x chap0[124]&#8221; option4=&#8221;ls chap0[124] E. None of the above&#8221; correct=&#8221;option2&#8243;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[276],"tags":[],"class_list":["post-17101","post","type-post","status-publish","format-standard","hentry","category-linux","no-featured-image-padding"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.2 (Yoast SEO v23.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What command is not used to list the files chap01, chap02 and chap04? A. ls chap* B. ls chap[124] C. ls - x chap0[124] D. ls chap0[124] E. None of the above<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/exam.pscnotes.com\/mcq\/what-command-is-not-used-to-list-the-files-chap01-chap02-and-chap04-a-ls-chap-b-ls-chap124-c-ls-x-chap0124-d-ls-chap0124-e-none-of-the-above\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What command is not used to list the files chap01, chap02 and chap04? A. ls chap* B. ls chap[124] C. ls - x chap0[124] D. ls chap0[124] E. None of the above\" \/>\n<meta property=\"og:description\" content=\"[amp_mcq option1=&#8221;ls chap*&#8221; option2=&#8221;ls chap[124]&#8221; option3=&#8221;ls &#8211; x chap0[124]&#8221; option4=&#8221;ls chap0[124] E. 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