Posted On: Feb 22, 2018
There are a number of ways to check for physical memory size on Linux. The popular ways are,
Free command: Type the free command to check the physical memory size.
free -b //gives the size in bytes free -k //gives the size in kilobytes free -m //gives the size in megabytes free -g //gives the size in gigabytes
Top command: The top command lists the physical memory information in a clear way.
Vmstat command: The vmstat (virtual memory stats) command with -s switch lists the memory in detail.
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