Kill A Process In Linux To kill a process, first we need to know its process ID (PID), to do that we can use pidof command. Find PID of a Process pidof {PROCESS_NAME} Kill a Process kill {PROCESS_ID} Kill all the process with a program name killall {PROGRAM_NAME} Using htop We can also kill a process interactively using htop command. Reference(s) StackOverFlow Man7