掌握Linux查看内存映射技巧（linux查看内存映射）
Nowadays, linux is the popular operating system for many IT administrators and companies. If you want to manage your computer server efficiently, you must know much about Linux systems. This article will discuss how to check memory mapping in Linux.
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Linux systems use virtual memory which resides on a hard disk. As such, memory management is a vital part for an administrator. The ability to monitor and manage how the physical memory is used within the system will allow better resource utilization and improve the overall performance.
We can use the ‘free’ command to check memory mapping in Linux. It provides detailed information about the total amount of memory on your system, as well as what type of memory is being used.
In order to verify the memory mapping, you can use the ‘cat /proc/meminfo’ command. This command displays the current usage of physical Memory, allowing us to view the breakdown of the different kinds of memory being used.
You can also use other commands like ‘top’ and ‘ps’ to get a better understanding of memory usage in Linux. ‘Top’ command helps you to display the information about the memory usage for the current session. ‘Ps’ command shows the running processes with detailed information about the memory usage.
We can also check memory mapping with the dmidecode command. This command reads the system’s DMI table. The DMI table displays various system components like memory, processor, firmware, BIOS and more. This will allow us to view the type of memory and how it is being used.
In addition, lspci is another useful command for inspecting memory mapping in Linux. This command displays detailed information about the particular PCI device including the memory size and memory mapping.
Finally, we can also check memory mapping with the sysctl command. This command will display the sizes of various kernel and user-space memory regions such as the slab cache, page cache, and page tables.
There are many other commands that can be used to check memory mapping in Linux. As an administrator, it is important to understand and know how to monitor memory usage. Memory management is an indispensable part of server management. Knowing which memory is being used and how much of it is useful to make sure the server runs efficiently and reliably.
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