Operation and MaintenanceLinux Operation and MaintenanceWhat is the Linux memory viewing command?
Under Linux, we often use the top command to view system processes. Top can also display system memory. The special tool we commonly use to view content under Linux is the free command.
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Detailed explanation of the memory viewing command free under Linux:
We generally use the free command to view memory under Linux:
$ free
total used free shared buffers cached
Mem: 3266180 3250004 16176 0 110652 2668236
-/+ buffers/cache: 471116 2795064
Swap: 2048276 80160 1968116The following is an explanation of the output of the memory view free command:
total: the total size of physical memory.
used: How big has been used.
free: How many are available.
Shared: The total amount of memory shared by multiple processes.
Buffers/cached: The size of the disk cache.
The third line (-/ buffers/cached):
used: How big has been used.
free: How many are available.
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