title: How to kill a process in MacOS?
body: <p>I tried <code>kill -9 698</code> but the process did not die.</p>
  
  <pre><code>$ ps -ef | grep chromium
    502   698   811   0   0:01.24 ??         0:07.28 /Users/lucius/chromium/src/xcodebuild/Debug/Chromium.app/Contents/MacOS/Chromium
    502   854   732   0   0:00.00 ttys001    0:00.00 grep chromium
  $ kill -9 698
  
  
  $ ps -ef | grep chromium
    502   698   811   0   0:01.24 ??         0:07.28 /Users/lucius/chromium/src/xcodebuild/Debug/Chromium.app/Contents/MacOS/Chromium
    502   854   732   0   0:00.00 ttys001    0:00.00 grep chromium
  </code></pre>