How to check linux memory usage

Linux143

 description

Display the usage of system memory, including physical memory, swap memory (swap) and kernel buffer memory

 command

free -h

 parameter

free : Display the usage of system memory, including physical memory, swap memory (swap) and kernel buffer memory
-h, --human : show human-readable output

 result

              total        used        free      shared  buff/cache   available
Mem:           62Gi        58Gi       629Mi       6.0Mi       3.9Gi       3.8Gi
Swap:          31Gi        27Gi       3.9Gi
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