its easier to use vi editor for this, run sudo gainroot vi /etc/init.d/rcS scroll down to 263/281 press the letter i - don't press enter after it looks like this echo 100 > /proc/sys/vm/swappiness use the arrows to move the cursor and change the value to 30 or whatever you want - keep it above 30 tho then press the onscreen 'esc' button then type this :wq then hit enter