{"id":6897,"date":"2024-03-14T04:48:20","date_gmt":"2024-03-14T04:48:20","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/what-are-the-usage-scenarios-of-the-who-command-in-linux\/"},"modified":"2025-08-02T09:33:03","modified_gmt":"2025-08-02T09:33:03","slug":"what-are-the-usage-scenarios-of-the-who-command-in-linux","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/what-are-the-usage-scenarios-of-the-who-command-in-linux\/","title":{"rendered":"Linux &#8216;who&#8217; Command: Usage Guide"},"content":{"rendered":"<ol>\n<li>View information about users currently logged into the system, including username, login time, login IP, etc.<\/li>\n<li>Check the system for the current number of active users and their login information.<\/li>\n<li>Check the terminal types of logged-in users in the system, such as tty terminals or pts pseudo terminals.<\/li>\n<li>Check for any abnormal logins in the system, such as unknown user logins or multiple logins by the same user.<\/li>\n<li>Monitor the login status of the surveillance system to promptly detect any abnormal or unauthorized login activities.<\/li>\n<li>Helping the administrator manage system resources, such as releasing idle terminals promptly to ensure the effective utilization of system resources.<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>View information about users currently logged into the system, including username, login time, login IP, etc. Check the system for the current number of active users and their login information. Check the terminal types of logged-in users in the system, such as tty terminals or pts pseudo terminals. Check for any abnormal logins in the [&hellip;]<\/p>\n","protected":false},"author":13,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[989,3227,316,8650,8649],"class_list":["post-6897","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-linux-commands","tag-linux-terminal","tag-system-administration","tag-user-monitoring","tag-who-command"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Linux &#039;who&#039; Command: Usage Guide - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"Learn how to use the Linux &#039;who&#039; command to view logged-in users, check login information, monitor terminal types, and detect abnormal logins.\" \/>\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.silicloud.com\/blog\/what-are-the-usage-scenarios-of-the-who-command-in-linux\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Linux &#039;who&#039; 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