How to check the amount of RAM in Ubuntu Linux using CLI

The below shell command can be used to check the amount of RAM in Ubuntu Linux.

$ dmesg | grep -in available | grep -in memory

The above command will show output similar to below line

3:150:[ 0.000000] Memory: 943092K/1044960K available

This line shows the amount to RAM installed on the system and usable RAM in Kilobytes.

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