ubuntu buffer/cache memory code example
Example 1: clear ram linux
sudo sync; echo 3 > /proc/sys/vm/drop_cachesExample 2: how to clear memory in ubuntu 18.04
sync; echo 1 > /proc/sys/vm/drop_cachessudo sync; echo 3 > /proc/sys/vm/drop_cachessync; echo 1 > /proc/sys/vm/drop_caches