ubuntu clear ram usage code example
Example 1: clear ram linux
sudo sync; echo 3 > /proc/sys/vm/drop_caches
Example 2: clear ram cache ubuntu
sync && echo 3 | sudo tee /proc/sys/vm/drop_caches
sudo sync; echo 3 > /proc/sys/vm/drop_caches
sync && echo 3 | sudo tee /proc/sys/vm/drop_caches