{"id":17060,"date":"2024-04-15T05:08:25","date_gmt":"2024-04-15T05:08:25","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=17060"},"modified":"2024-04-15T05:08:25","modified_gmt":"2024-04-15T05:08:25","slug":"which-command-is-used-to-set-the-three-permissions-for-all-the-three-categories-of-users-of-a-file-a-chgrp-b-chown-c-chmod-d-chusr-e-none-of-the-above","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/which-command-is-used-to-set-the-three-permissions-for-all-the-three-categories-of-users-of-a-file-a-chgrp-b-chown-c-chmod-d-chusr-e-none-of-the-above\/","title":{"rendered":"Which command is used to set the three permissions for all the three categories of users of a file? A. chgrp B. chown C. chmod D. chusr E. None of the above"},"content":{"rendered":"<p>\r\n    <!-- Check if it's an AMP page -->\r\n            <!-- Non-AMP version -->\r\n        <div class=\"mcq-container\" data-quiz-id=\"quizState_6a995b528d084\">\r\n                                            <div class=\"option\" data-option-key=\"option1\" data-is-correct=\"false\">\r\n                    chgrp                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option2\" data-is-correct=\"false\">\r\n                    chown                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option3\" data-is-correct=\"true\">\r\n                    chmod                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option4\" data-is-correct=\"false\">\r\n                    chusr E. None of the above                <\/div>\r\n                            \r\n            <!-- Feedback messages for non-AMP -->\r\n            <div class=\"feedback\" data-feedback=\"wrong\">Answer is Right!<\/div>\r\n            <div class=\"feedback\" data-feedback=\"right\">Answer is Wrong!<\/div>\r\n        <\/div>\r\n\r\n        <script>\r\n        document.addEventListener('DOMContentLoaded', function () {\r\n            var containers = document.querySelectorAll('.mcq-container');\r\n\r\n            containers.forEach(function(container) {\r\n                var options = container.querySelectorAll('.option');\r\n                var feedbackSelect = container.querySelector('[data-feedback=\"select\"]');\r\n                var feedbackWrong = container.querySelector('[data-feedback=\"wrong\"]');\r\n                var feedbackRight = container.querySelector('[data-feedback=\"right\"]');\r\n\r\n                options.forEach(function(option) {\r\n                    option.addEventListener('click', function() {\r\n                        var selectedOption = option.getAttribute('data-option-key');\r\n                        var isCorrect = option.getAttribute('data-is-correct') === 'true';\r\n\r\n                        \/\/ Remove previous selections\r\n                        options.forEach(function(opt) {\r\n                            opt.classList.remove('correct', 'incorrect');\r\n                        });\r\n\r\n                        \/\/ Add the correct\/incorrect class\r\n                        if (isCorrect) {\r\n                            option.classList.add('correct');\r\n                            feedbackRight.hidden = false;\r\n                            feedbackWrong.hidden = true;\r\n                        } else {\r\n                            option.classList.add('incorrect');\r\n                            feedbackRight.hidden = true;\r\n                            feedbackWrong.hidden = false;\r\n                        }\r\n\r\n                        \/\/ Hide select feedback\r\n                        feedbackSelect.hidden = true;\r\n                    });\r\n                });\r\n            });\r\n        });\r\n        <\/script>\r\n    \r\n    <!--more--><\/p>\n<p>The correct answer is <strong>C. chmod<\/strong>.<\/p>\n<p><strong>chgrp<\/strong> changes the group ownership of a file.<br \/>\n<strong>chown<\/strong> changes the owner of a file.<br \/>\n<strong>chusr<\/strong> is not a valid command.<\/p>\n<p><strong>chmod<\/strong> is used to change the permissions of a file. The permissions are read, write, and execute, and they can be set for the owner, group, and others. The permissions are represented by three octal digits, one for each category. The digits can be 0, 1, or 2, and they have the following meanings:<\/p>\n<ul>\n<li>0 = no permission<\/li>\n<li>1 = read permission<\/li>\n<li>2 = write permission<\/li>\n<li>3 = execute permission<\/li>\n<\/ul>\n<p>For example, the permission 755 means that the owner has read, write, and execute permissions, the group has read and execute permissions, and others have read permission.<\/p>\n<p>To change the permissions of a file, use the following syntax:<\/p>\n<p><code>chmod [ugoa][+-=][perms] filename<\/code><\/p>\n<p>The <code>ugoa<\/code> part specifies which users you want to change the permissions for. The options are:<\/p>\n<ul>\n<li>u = owner<\/li>\n<li>g = group<\/li>\n<li>o = others<\/li>\n<li>a = all<\/li>\n<\/ul>\n<p>The <code>perms<\/code> part specifies the permissions you want to change. The options are:<\/p>\n<ul>\n<li>r = read permission<\/li>\n<li>w = write permission<\/li>\n<li>x = execute permission<\/li>\n<\/ul>\n<p>The <code>+<\/code> sign means to add the permission, the <code>-<\/code> sign means to remove the permission, and the <code>=<\/code> sign means to set the permission.<\/p>\n<p>For example, to give the owner of a file read and <div class=\"youtube-subscribe-container\">\r\n        <a href=\"https:\/\/www.youtube.com\/channel\/UCNHT8lW-JmLC68rjBfZhdkg?sub_confirmation=1\" target=\"_blank\" class=\"youtube-subscribe-button\">\r\n            <span class=\"youtube-icon\">\r\n                <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 576 512\">\r\n                    <path d=\"M549.7 124.1c-6.3-23.7-24.8-42.3-48.3-48.6C458.8 64 288 64 288 64S117.2 64 74.6 75.5c-23.5 6.3-42 24.9-48.3 48.6-11.4 42.9-11.4 132.3-11.4 132.3s0 89.4 11.4 132.3c6.3 23.7 24.8 41.5 48.3 47.8C117.2 448 288 448 288 448s170.8 0 213.4-11.5c23.5-6.3 42-24.2 48.3-47.8 11.4-42.9 11.4-132.3 11.4-132.3s0-89.4-11.4-132.3zm-317.5 213.5V175.2l142.7 81.2-142.7 81.2z\"\/>\r\n                <\/svg>\r\n            <\/span>\r\n            Subscribe on YouTube\r\n        <\/a>\r\n    <\/div> write permissions, you would use the following command:<\/p>\n<p><code>chmod u+rw filename<\/code><\/p>\n<p>To give the group of a file read and execute permissions, <div class=\"telegram-channel-container\">\r\n        <a href=\"https:\/\/t.me\/pscnotes2025\" target=\"_blank\" class=\"telegram-channel-button\">\r\n            <span class=\"telegram-icon\">\r\n                <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 496 512\">\r\n                    <path fill=\"white\" d=\"M248,8C111,8,0,119,0,256s111,248,248,248s248-111,248-248S385,8,248,8z M362,177L320,367c-3,14-10,18-20,14l-56-41l-27,26 c-3,3-5,5-10,5l4-63L323,196c5-5-1-7-8-3l-98,62l-42-13c-9-3-10-9,2-14l162-63C351,160,365,164,362,177z\"\/>\r\n                <\/svg>\r\n            <\/span>\r\n            Join Our Telegram Channel\r\n        <\/a>\r\n    <\/div> you would use the following command:<\/p>\n<p><code>chmod g+rx filename<\/code><\/p>\n<p>To give everyone read permission to a file, you would use the following command:<\/p>\n<p><code>chmod a+r filename<\/code><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Join Our Telegram Channel Subscribe on YouTube<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[675],"tags":[],"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>Which command is used to set the three permissions for all the three categories of users of a file? 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