Suggested Read : hwinfo (Hardware Info) – A Nifty Tool To Detect System Hardware Information On Linux $ hwinfo -memoryĬonfig Status: cfg=new, avail=yes, need=no, active=unknown It reports information about CPU, RAM, keyboard, mouse, graphics card, sound, storage, network interface, disk, partition, bios, and bridge, etc.

Hwinfo stands for hardware information tool is another great utility that used to probe for the hardware present in the system and display detailed information about varies hardware components in human readable format. It reports the amount of free and used memory (both physical and swap) on the system. proc/meminfo is a virtual text file that contains a large amount of valuable information about the systems RAM usage. Total used free shared buff/cache available Suggested Read : free – A Standard Command to Check Memory Usage Statistics (Free & Used) in Linux $ free -m

The information is gathered by parsing /proc/meminfo.

ROM: Read Only Memory is permanent memory, that holds the data even if the system is switched off.įree displays the total amount of free and used physical and swap memory in the system, as well as the buffers and caches used by the kernel.

This information will go away when the computer is turned off.

RAM: Random Access Memory is a temporary memory.It is fixed on the motherboard of the computer. CPU can directly read or write on this memory. Primary memory is the main memory of the computer. RAM stands for Random Access Memory is a volatile memory that stores information used by the operating system, software, and hardware. What is RAMĬomputer memory is a physical device which capable to store information temporarily or permanently. Most of us know only few commands and we are trying to include all the possible commands in this article.You may think, why I want to know all these commands instead of knowing some of the specific and routine commands.ĭon’t think bad or don’t take in negative way because each one has different requirement and perception so, who’s looking for other purpose then this will very helpful for them.

There is lot of utilities are available in Linux to check physical memory.These commands are help us to check the physical RAM present in system, also allow users to check memory utilization in varies aspect. Most of the system administrators checks CPU & Memory utilization when they were facing some performance issue.

Check ram utilization in linux