{"id":2395,"date":"2022-09-26T03:49:25","date_gmt":"2022-09-26T03:49:25","guid":{"rendered":"https:\/\/www.iseepassword.com\/blog\/how-to-check-physical-memory-in-linux\/"},"modified":"2023-10-10T10:49:37","modified_gmt":"2023-10-10T10:49:37","slug":"how-to-check-physical-memory-in-linux","status":"publish","type":"post","link":"https:\/\/www.iseepassword.com\/blog\/how-to-check-physical-memory-in-linux\/","title":{"rendered":"how to check physical memory in linux?"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_69_1 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.iseepassword.com\/blog\/how-to-check-physical-memory-in-linux\/#How_do_I_check_my_physical_memory\" title=\"How do I check my physical memory?\">How do I check my physical memory?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.iseepassword.com\/blog\/how-to-check-physical-memory-in-linux\/#How_do_I_find_physical_and_virtual_memory_in_Linux\" title=\"How do I find physical and virtual memory in Linux?\">How do I find physical and virtual memory in Linux?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.iseepassword.com\/blog\/how-to-check-physical-memory-in-linux\/#How_do_I_check_memory_and_CPU_on_Linux\" title=\"How do I check memory and CPU on Linux?\">How do I check memory and CPU on Linux?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.iseepassword.com\/blog\/how-to-check-physical-memory-in-linux\/#How_much_physical_memory_is_free_Linux\" title=\"How much physical memory is free Linux?\">How much physical memory is free Linux?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.iseepassword.com\/blog\/how-to-check-physical-memory-in-linux\/#What_is_physical_memory_Linux\" title=\"What is physical memory Linux?\">What is physical memory Linux?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.iseepassword.com\/blog\/how-to-check-physical-memory-in-linux\/#How_many_GB_is_my_RAM_Linux\" title=\"How many GB is my RAM Linux?\">How many GB is my RAM Linux?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.iseepassword.com\/blog\/how-to-check-physical-memory-in-linux\/#How_much_memory_do_I_have_Linux\" title=\"How much memory do I have Linux?\">How much memory do I have Linux?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.iseepassword.com\/blog\/how-to-check-physical-memory-in-linux\/#Is_physical_memory_same_as_RAM\" title=\"Is physical memory same as RAM?\">Is physical memory same as RAM?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.iseepassword.com\/blog\/how-to-check-physical-memory-in-linux\/#How_do_I_see_memory_map_in_Linux\" title=\"How do I see memory map in Linux?\">How do I see memory map in Linux?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.iseepassword.com\/blog\/how-to-check-physical-memory-in-linux\/#What_is_available_memory_Linux\" title=\"What is available memory Linux?\">What is available memory Linux?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.iseepassword.com\/blog\/how-to-check-physical-memory-in-linux\/#What_is_physical_memory\" title=\"What is physical memory?\">What is physical memory?<\/a><\/li><\/ul><\/nav><\/div>\n<p>There are a few ways to check your physical memory in Linux. One way is to use the free command. This will show you the total amount of free and used physical memory on your system, as well as the amount of swap space.<\/p>\n<p>Another way to check your physical memory is to use the \/proc\/meminfo file. This file contains a lot of information about your system&#8217;s memory usage. The MemTotal entry shows the total amount of physical RAM on your system. The MemFree entry shows the amount of free RAM on your system.<\/p>\n<p>You can also use the top command to see your current memory usage. The MEM column will show you how much RAM is being used by each process on your system.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"How_do_I_check_my_physical_memory\"><\/span>How do I check my physical memory?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><\/p>\n<h2><span class=\"ez-toc-section\" id=\"How_do_I_find_physical_and_virtual_memory_in_Linux\"><\/span>How do I find physical and virtual memory in Linux?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>There are a few ways to find both physical and virtual memory in Linux. One way is to use the free command. This will show you the total amount of free and used physical and virtual memory on your system. Another way is to use the top command. This will show you a list of all the processes running on your system, as well as information about the amount of memory each process is using. Finally, you can also use the vmstat command to get detailed information about your system&#8217;s memory usage.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"How_do_I_check_memory_and_CPU_on_Linux\"><\/span>How do I check memory and CPU on Linux?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>There are a few different ways to check memory and CPU on Linux. One way is to use the top command. This will show you real-time information about the resources being used on your system. Another way is to use the vmstat command. This will give you more detailed information about memory and CPU usage. You can also use the sar command to generate reports about resource usage over time.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"How_much_physical_memory_is_free_Linux\"><\/span>How much physical memory is free Linux?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The amount of free physical memory in Linux can be checked using the &#8220;free&#8221; command. This will show you the total amount of free and used physical memory, as well as the amount of swap space that is available.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_is_physical_memory_Linux\"><\/span>What is physical memory Linux?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Physical memory, also called RAM, is the main memory in a computer where data is stored for quick access by the CPU. This is different from storage devices like hard drives or SSDs, which store data for long-term access.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"How_many_GB_is_my_RAM_Linux\"><\/span>How many GB is my RAM Linux?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>There are a few ways to find out how much RAM is in a Linux system. One way is to open the terminal and type &#8220;free -m.&#8221; This will give you information on total, used, and available memory in megabytes. Another way is to use the &#8220;top&#8221; command. This will show you a list of processes running on the system and their associated memory usage.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"How_much_memory_do_I_have_Linux\"><\/span>How much memory do I have Linux?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>There are a few ways to check your memory usage in Linux. The first is to use the free command. This will give you information on your total, used, and available memory:<\/p>\n<p>$ free -m<br \/>\n             total       used       free     shared    buffers     cached<br \/>\nMem:          996        714        281         18         40        541<br \/>\n-\/+ buffers\/cache:        132        863<br \/>\nSwap:            0          0          0<\/p>\n<p>Another way to check your memory usage is with the vmstat command. This will give you more detailed information on your memory usage, including active and inactive memory:<br \/>\n$ vmstat -s<\/p>\n<p>             1048576 Kbytes<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Is_physical_memory_same_as_RAM\"><\/span>Is physical memory same as RAM?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>No, physical memory is not the same as RAM. Physical memory refers to the actual hardware components of a computer system, whereas RAM is a type of storage that stores data and programs temporarily.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"How_do_I_see_memory_map_in_Linux\"><\/span>How do I see memory map in Linux?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>There are a few ways to see the memory map in Linux. The most common way is to use the \/proc\/\/maps file. This file contains one line for each mapped region in a process&#8217;s address space. Each line shows the start and end addresses of the region, followed by some optional information about the region.<\/p>\n<p>Another way to see the memory map is to use the pmap command. This command takes a PID as an argument and prints out a summary of the process&#8217;s memory map.<\/p>\n<p>Finally, you can use the debuggers gdb or lldb to view a process&#8217;s memory map. To do this, you first need to attach to the process with gdb or lldb. Then, you can use the info proc mapping command to print out the memory map.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_is_available_memory_Linux\"><\/span>What is available memory Linux?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>There are a few commands that can be used to check available memory in Linux, such as &#8220;free&#8221; and &#8220;vmstat&#8221;.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_is_physical_memory\"><\/span>What is physical memory?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Physical memory is a type of computer data storage that stores data on physical devices such as memory cards or RAM.<br \/>\n{&#8220;@context&#8221;:&#8221;https:\/\/schema.org&#8221;,&#8221;@type&#8221;:&#8221;FAQPage&#8221;,&#8221;mainEntity&#8221;:[{&#8220;@type&#8221;:&#8221;Question&#8221;,&#8221;name&#8221;:&#8221;How do I find physical and virtual memory in Linux?&#8221;,&#8221;acceptedAnswer&#8221;:{&#8220;@type&#8221;:&#8221;Answer&#8221;,&#8221;text&#8221;:&#8221;nnThere are a few ways to find both physical and virtual memory in Linux. One way is to use the free command. This will show you the total amount of free and used physical and virtual memory on your system. Another way is to use the top command. This will show you a list of all the processes running on your system, as well as information about the amount of memory each process is using. Finally, you can also use the vmstat command to get detailed information about your system&#8217;s memory usage.&#8221;}},{&#8220;@type&#8221;:&#8221;Question&#8221;,&#8221;name&#8221;:&#8221;How do I check memory and CPU on Linux?&#8221;,&#8221;acceptedAnswer&#8221;:{&#8220;@type&#8221;:&#8221;Answer&#8221;,&#8221;text&#8221;:&#8221;nnThere are a few different ways to check memory and CPU on Linux. One way is to use the top command. This will show you real-time information about the resources being used on your system. Another way is to use the vmstat command. This will give you more detailed information about memory and CPU usage. You can also use the sar command to generate reports about resource usage over time.&#8221;}},{&#8220;@type&#8221;:&#8221;Question&#8221;,&#8221;name&#8221;:&#8221;How much physical memory is free Linux?&#8221;,&#8221;acceptedAnswer&#8221;:{&#8220;@type&#8221;:&#8221;Answer&#8221;,&#8221;text&#8221;:&#8221;nnnnThe amount of free physical memory in Linux can be checked using the &#8220;free&#8221; command. This will show you the total amount of free and used physical memory, as well as the amount of swap space that is available.&#8221;}},{&#8220;@type&#8221;:&#8221;Question&#8221;,&#8221;name&#8221;:&#8221;What is physical memory Linux?&#8221;,&#8221;acceptedAnswer&#8221;:{&#8220;@type&#8221;:&#8221;Answer&#8221;,&#8221;text&#8221;:&#8221;nnPhysical memory, also called RAM, is the main memory in a computer where data is stored for quick access by the CPU. This is different from storage devices like hard drives or SSDs, which store data for long-term access.&#8221;}},{&#8220;@type&#8221;:&#8221;Question&#8221;,&#8221;name&#8221;:&#8221;How many GB is my RAM Linux?&#8221;,&#8221;acceptedAnswer&#8221;:{&#8220;@type&#8221;:&#8221;Answer&#8221;,&#8221;text&#8221;:&#8221;nnThere are a few ways to find out how much RAM is in a Linux system. One way is to open the terminal and type &#8220;free -m.&#8221; This will give you information on total, used, and available memory in megabytes. Another way is to use the &#8220;top&#8221; command. This will show you a list of processes running on the system and their associated memory usage.&#8221;}},{&#8220;@type&#8221;:&#8221;Question&#8221;,&#8221;name&#8221;:&#8221;How much memory do I have Linux?&#8221;,&#8221;acceptedAnswer&#8221;:{&#8220;@type&#8221;:&#8221;Answer&#8221;,&#8221;text&#8221;:&#8221;nnThere are a few ways to check your memory usage in Linux. The first is to use the free command. This will give you information on your total, used, and available memory:nn$ free -mn             total       used       free     shared    buffers     cachednMem:          996        714        281         18         40        541n-\/+ buffers\/cache:        132        863nSwap:            0          0          0nnAnother way to check your memory usage is with the vmstat command. This will give you more detailed information on your memory usage, including active and inactive memory:n$ vmstat -snn             1048576 Kbytes&#8221;}},{&#8220;@type&#8221;:&#8221;Question&#8221;,&#8221;name&#8221;:&#8221;Is physical memory same as RAM?&#8221;,&#8221;acceptedAnswer&#8221;:{&#8220;@type&#8221;:&#8221;Answer&#8221;,&#8221;text&#8221;:&#8221;nnNo, physical memory is not the same as RAM. Physical memory refers to the actual hardware components of a computer system, whereas RAM is a type of storage that stores data and programs temporarily.&#8221;}},{&#8220;@type&#8221;:&#8221;Question&#8221;,&#8221;name&#8221;:&#8221;How do I see memory map in Linux?&#8221;,&#8221;acceptedAnswer&#8221;:{&#8220;@type&#8221;:&#8221;Answer&#8221;,&#8221;text&#8221;:&#8221;nnThere are a few ways to see the memory map in Linux. The most common way is to use the \/proc\/\/maps file. This file contains one line for each mapped region in a process&#8217;s address space. Each line shows the start and end addresses of the region, followed by some optional information about the region.nnAnother way to see the memory map is to use the pmap command. This command takes a PID as an argument and prints out a summary of the process&#8217;s memory map.nnFinally, you can use the debuggers gdb or lldb to view a process&#8217;s memory map. To do this, you first need to attach to the process with gdb or lldb. Then, you can use the info proc mapping command to print out the memory map.&#8221;}},{&#8220;@type&#8221;:&#8221;Question&#8221;,&#8221;name&#8221;:&#8221;What is available memory Linux?&#8221;,&#8221;acceptedAnswer&#8221;:{&#8220;@type&#8221;:&#8221;Answer&#8221;,&#8221;text&#8221;:&#8221;nnThere are a few commands that can be used to check available memory in Linux, such as &#8220;free&#8221; and &#8220;vmstat&#8221;.&#8221;}},{&#8220;@type&#8221;:&#8221;Question&#8221;,&#8221;name&#8221;:&#8221;What is physical memory?&#8221;,&#8221;acceptedAnswer&#8221;:{&#8220;@type&#8221;:&#8221;Answer&#8221;,&#8221;text&#8221;:&#8221;nnPhysical memory is a type of computer data storage that stores data on physical devices such as memory cards or RAM.&#8221;}}]}<\/p>\n","protected":false},"excerpt":{"rendered":"<p>There are a few ways to check your physical memory in Linux. One way is to use the free command. This will show you the total amount of free and used physical memory on your system, as well as the amount of swap space. Another way to check your physical memory is to use the [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[51],"tags":[],"class_list":["post-2395","post","type-post","status-publish","format-standard","hentry","category-linux"],"_links":{"self":[{"href":"https:\/\/www.iseepassword.com\/blog\/wp-json\/wp\/v2\/posts\/2395","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.iseepassword.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.iseepassword.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.iseepassword.com\/blog\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.iseepassword.com\/blog\/wp-json\/wp\/v2\/comments?post=2395"}],"version-history":[{"count":1,"href":"https:\/\/www.iseepassword.com\/blog\/wp-json\/wp\/v2\/posts\/2395\/revisions"}],"predecessor-version":[{"id":11717,"href":"https:\/\/www.iseepassword.com\/blog\/wp-json\/wp\/v2\/posts\/2395\/revisions\/11717"}],"wp:attachment":[{"href":"https:\/\/www.iseepassword.com\/blog\/wp-json\/wp\/v2\/media?parent=2395"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.iseepassword.com\/blog\/wp-json\/wp\/v2\/categories?post=2395"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.iseepassword.com\/blog\/wp-json\/wp\/v2\/tags?post=2395"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}