Print number of mb of free ram
4920
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This will show the amount of physical RAM that is left unused by the system. Show Sample Output
4grep '^MemFree:' /proc/meminfo | awk '{ mem=($2)/(1024) ; printf "%0.0f MB\n", mem }' -
3free -m | awk '/Mem/ {print $4}'
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Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?
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root@om012234 ~ $free -mtotal used free shared buffers cachedMem: 8004 5660 2343 0 68 1639-/+ buffers/cache: 3953 4050Swap: 996 0 995root@om012234 ~ $free -mototal used free shared buffers cachedMem: 8004 5647 2356 0 68 1639Swap: 996 0 9953953 is the figure we are after. Omitting the -o switch gives us that.