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Dec 09, 2017 Create a custom login message. The above command will keep your Mac awake for an hour and a half. Make your Mac automatically restart after a crash. Killall Dock. Repeat this command for each spacer you'd like for your Dock. To remove a spacer, you can drag it out to the right until you see the poof icon. Dull hidden apps in the Dock. Occasionally in Mac OS X, it may be necessary to force a program or process to quit. For example, if a particular program fails to respond or unexpectedly hangs. Every application on a Mac comprises of one or more processes. It’s usually possible to use the Force Quit command (⌘⌥ esc) in.
When a program stops responding in Windows, most users know how to stop it by pressing Ctrl + Alt + Delete on their keyboard, pressing the Task Manager option and closing it from there. That approach doesn’t quite transfer to Linux distributions like Ubuntu, but that doesn’t mean that you’re short of options when a program crashes.
On the contrary—there are quite a few ways to close a program on Ubuntu using CMD. If you’re comfortable using the terminal, you can use commands like killall or xkill to force troublesome programs to close, or you can use the System Monitor app instead.
Using The System Monitor To Force Close a Running Ubuntu Process
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While it’s easy enough to close an open process in Ubuntu using the terminal, beginners might not feel comfortable doing this. But an Ubuntu user doesn’t need to go near the terminal to force close a crashed program—you can use the System Monitor app instead.
The System Monitor works a lot like the Task Manager does for Windows PCs. It lists all the running processes on your PC, as well as giving you real-time information on your CPU, RAM, and disk usage. It also allows you to force close any crashed software that won’t respond or close directly.
- To force close a program in Ubuntu using the System Monitor, press the Show Applications button at the bottom of the Ubuntu dock. In your Applications list, click on the System Monitor icon to launch it.
- The System Monitor app will launch with the default Processes tab visible—if it doesn’t, click on the Processes tab at the top. In the processes list, find and locate the process (or processes) for your crashed program, right-click the entry, then press the Kill option. Alternatively, select the process and press the End Process button at the bottom of the System Monitor window.
- System Monitor will ask for confirmation that you do want to end the running process. To confirm, press the Kill Process button.
Floor plan software for mac free download. If it was successful, the process should disappear from your System Monitor processes list. If the program had an open window, this window should also close at this point.
Gopro quik app for desktop. If System Monitor didn’t successfully close the program, you’ll need to try using the terminal instead.
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How To Close An Open Window Using The xkill Command
In most cases, the System Monitor software will forcefully close a program on Ubuntu. If it doesn’t, then you’ll need to switch to the terminal to close any non-responding programs.
Thankfully, there’s an easy-to-use command called xkill that will allow you to forcefully close any program with an open window.
- Most modern versions of Ubuntu should come with the xkill package installed but, if you find it isn’t installed, you’ll need to install xkill first before you can use it. Open a terminal and type sudo apt install xorg-xkill to do this. Once it’s installed, simply type xkill or sudo xkill to begin using it.
- The terminal output will tell you to select the window whose client you wish to kill with button 1. In other words, use your mouse to click on an open window—xkill will close this for you. Once killed, the terminal output will respond with a killing creator message before ending.
This will only work for programs that are visibly not responding, including any programs with a GUI window that you can interact with.
Forcefully Closing a Program on Ubuntu Using pkill, kill Or killall Commands
Using xkill requires you to be using Ubuntu with a GUI. If you’re running a headless version of Ubuntu without a GUI installed, such as Ubuntu Server, then you’ll need to use the pkill,kill or killall commands instead.
The kill and pkill commands will terminate any single process running on your PC, while killall will kill all related processes. Some programs (such as Google Chrome) use multiple system processes, so using kill or pkill may not necessarily end them if the program stops responding.
- To use kill, you’ll need to know the process id number (PID) assigned to it—open a terminal and type top to view a list of currently running processes. You’ll find the process id number under the PID column and the name of the process/program under the Command column.
- To stop a terminal using kill, type kill pid, replacing pid with your process id (for instance, kill 582). If it doesn’t work, type sudo kill pid instead. A successful process termination shouldn’t result in any extra terminal output, but you can type top again to double-check.
- The pkill command doesn’t require a process id number, but it does require the package name. You can check this using top first under the Command column. Once you’re ready, type pkill process, replacing process with the package name (or sudo pkill process if the process won’t terminate). As with kill, a successful pkill command will return no messages or output.
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- If a program has multiple processes, you can use the killall command to terminate them all at once. Like pkill, this uses the package name—use top to find this under the Command column. To use killall, type killall process or sudo killall process, replacing process with the package name. Like pkill, no messages will be returned at the terminal if the command is a success.
Effective Ubuntu Maintenance
Even when running software stops responding, Ubuntu gives you the tools to stay in control. Now you know how to close a process in Ubuntu using the terminal, you can take advantage of other cool Linux terminal commands to backup your PC, pause running commands rather than ending them, and more.
A crashing program should be a rare occurrence, but if it’s happening more often than it should, it could point to a problem with your Ubuntu installation. You’ll need to look into some of the common reasons for Ubuntu crashes to (hopefully) resolve your issues.
Everyone knows how to kill a program using Task Manager in Windows or Force Quit in OS X, but sometimes it’s useful to kill a program using the command line. I’ve run into several situations where the program refused to end via Task Manager, even when I tried to kill the underlying process. Force Quit has it’s own quirks and doesn’t always kill a program like it should. That’s when you can use the power of the command line.
In this article, I’ll go through the commands for killing a program in Windows, OS X and Linux. Interestingly, there is usually more than one command for accomplishing this, so I’ll try to mention the different ones that I have used. It’s not an exhaustive list, so if you use a different command not mentioned here, please let us know in the comments.
Windows – TSKILL and TASKKILL
In Windows, you can use two commands to kill a program: TSKILL and TASKKILL. TSKILL is a simpler and less powerful command, but does the job just fine. For example, if you’re running Microsoft Word, the process name is winword.exe. To kill Word from the command line just type the following command:
That will kill Word and you will lose any unsaved data, so you have to be careful using it. I tried it out on an unsaved Word doc and it just disappeared when I ran this, no prompts to save the documents. This is pretty much true of all the commands I’m going to mention here as that’s kind of the point. You can to kill a program instantly without any questions.
One thing to note is that most of the time that this command is used, it’s used with the /A parameter. /A tells the command to end the process running under all sessions. So typically you would type the following command to be extra sure the process is killed:
The second command, which has more options and is more powerful, is TASKKILL. If you look at the help page for TASKKILL, you see what I mean:
If you want to have more control and options for killing a program in Windows, use TASKKILL. For starters, you can kill a program by using the following command:
Note that you have to use .EXE when using the TASKKILL command. /F means to forcefully terminate the process forcefully. /IM means the image name, i.e. the process name. If you want to kill using the process ID (PID), you have to use /PID instead of /IM. /T is great because it will kill all child processes started by the specified process.
You can also use TASKKILL to remotely connect to another system and kill a process on that remote system. What I also like is the ability to use wildcards in TASKKILL.
OS X/Linux – KILL and KILLALL
In OS X and Linux, you have two commands for killing processes: KILL and KILLALL. You have to run these in the terminal window. In order to kill a program, you either have to use the program name or the process ID. There are some ways you can find this info. One way is via the Activity Monitor.
However, that requires the GUI interface. If you are using the command line to kill a process, you can use the command line to find the process info also. Two commands that come to mind are top and ps -ax.
top will give you a list of processes with the PID and the program name also sorted by CPU usage. It’s a quick way to find the process you want to kill. ps -ax will give you a listed sorted by PID and the path of the program. It’s slightly different than top.
Now for killing the program in OS X. You can simply type the following command to kill a specific process:
83002 is the Terminal process and the 9 means to kill the process. You can use other numbers like 3, which means Quit, or 6, which means Abort. Mostly, though, you’ll be sticking with 9. You can also use the KILL command to kill all running processes, though you should probably never use this command.
Where KILL is useful for killing one process or all processes, KILLALL is using for killing a group of processes. For example, if you’re running Google Chrome, you might have 10 Chrome processes running. It would be really annoying to use KILL ten times to shut down Chrome. Instead, you could use KILLALL like so:
Note that you have to use the single quotes or anything longer than one word. Also, if the process is not running under your name, but is instead running under root, you have to use the following command:
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or
Again, the 9 is sending the specific signal to KILL rather than TERM. Sudo is only needed if you get an error about not having permission. Otherwise you can do killall program or killall -9 program. On OS X, the KILLALL command comes in really handy when you can’t force quit a program. You don’t have to know the process ID, which is nice. Just type in the name and all processes will be killed associated with that name.
This article was meant to give you more advanced methods for killing a program in Windows, OS X and Linux. If you have any questions about killing a program using the command line, post a comment and I’ll try to help. Enjoy!