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wallyhall/gist:95edfce51eb9960c44d367b63c965de7

Created June 16, 2020 14:45
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Approximately real free memory on Linux
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gistfile1.txt
#!/bin/sh
cat /proc/meminfo | awk 'BEGIN { i=0; } { if ( /^(MemFree|Buffers|Cache): *(\d*)/ ) { i += $2 ; } } END { print i / 1024 / 1024 " GB" }'
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