Linux shows memory status

class:Linux views:53 Author:xiaomo314
Command
free -h
Explanation
-b Display memory usage in bytes.
-k Display memory usage in KB.
-m Display memory usage in MB.
-h Display memory usage in appropriate units, up to three digits, and automatically calculate the corresponding unit value
Operation result
              total        used        free      shared  buff/cache   available
Mem:           15Gi       3.0Gi       3.0Gi       0.0Ki       9.5Gi        12Gi
Swap:         4.0Gi        53Mi       3.9Gi

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