There may be a time when your system hangs up suddenly because of some unresponsive application. Such type of application drains your memory as well as your time.
So in order to avoid this situation you can add a force quit button which helps you to close such type of application in no time. Just have a glance at this article to find out how to add force quit button to the unity dock in Ubuntu 14.04.
Steps to add a force quit button to the unity dock:
Step 1: First you have to download ForceQuit.tar.gz archive from the following link “dl.dropbox.com/u/1257442/ForceQuit.tar.gz”.
Step 2: Now, extract your file by using “extract here” option when you right click on the ForceQuit.tar.gz archive.
Step 3: You may see a Force Quit launcher and two script files, i.e., forcekill.sh and install.sh
Step 4: Now you have to drag and drop “install.sh” file to your terminal window, as shown in the image below.
Step 5: You may see “/home/teckpix/Downloads/ForceQuit/install.sh”. Just press enter in order to install Force Quit.
Step 6: Click “Ok” when a new window pops open saying “Beginning installation of Force Quit, enter password if needed”.
Step 7: You may be prompted to provide your password in order to perform administrative tasks. Just type your password and press enter.
Step 8: Now a final window will appear saying “Select the Force Quit application and drag it onto your unity dock”.
Step 9: Finally you can see “Force Quit” icon in your Unity dock.
That’s all friends. Keep reading.