: It matches the process-name pattern as mentioned in the regular expression. : It does not show any message if the killall does not find any process to kill. : It checks for the process match that is older than the mentioned time. : It asks for confirmation before killing a process. : It will kill the entire process group to which the process belongs. : This argument checks for the exact match in the case of very long names. Killall : It will kill only those processes that have security context. Where process name will be the name of the process already running in your system and you want to terminate. The basic structure of killall command is We can define our signal name using the number (example -1) or via options (example: -s). If you do not specify any signal name, by default, it sends the SIGTERM. The kill all command in Linux will first send a signal to every running daemon. The easiest way to kill a bunch of processes altogether is through the killall command. This command will terminate the processes forcibly when a specified name matches. The killall command in Linux is a utility command used for killing any running process on the system based on a given name. Without further ado, let us now dig into the two distinct Linux kill processcommands and killall commands, and how they work. Luckily, you can efficiently kill a process in Linux because Linux provides different utilities or utility commands that help you to terminate errant processes. When an application fails to close, it keeps on eating up memory and processing power. The more processes your system will run, the more CPU cycles and memory you will require. When you run an application, it demands a certain amount of memory and processing power. You can fetch the list of all your running processes with the ‘ps’ command. In Linux, each daemon or program is a process that represents a single running program. Various cloud providers deliver cloud services that use Linux. How to kill a process in Linux using kill command?.But now the question is how? In this article, you will understand two different approaches to kill all processes in Linux. To solve such an issue, you have to kill or terminate your application process. Well, we all have faced such a critical situation at least once in our life. If you try to start the application again, you need to close it first.īut if your application fails to stop or shut down completely, you will not be able to start it again. There are situations where the cloudsystem running Linux may not respond. You might have faced a situation where you have launched an application, and suddenly while using the app, your app or system starts to crash unexpectedly or becomes unresponsive.