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Use Terminal to Eject a Stuck DVD/CD

Having a DVD or CD stuck in your Mac’s optical drive is not a happy situation. While there are number of ways to eject the media, but most of them requires you to shut down your machine. However, you can use Terminal to eject the media without shutting down your Mac system.

  • Open Terminal, which is located at /Applications/Utilities.
  • When the Terminal window get open, use one of these three commands to eject the media. Press enter or return after entering one of the below commands.drutil eject, or drutil eject internal, or drutil eject external.
  • After pressing enter, the DVD or CD should be ejected.
  • Quit the Terminal.
 
How to search system file in OS X

Spotlight is a great tool for finding music, videos, documents and any other files on your Mac, but it will not search for certain kind of files. If you want to locate those hidden system files, then follow this simple guide.

  • Just open the Finder and search for a file. When the search begins, a new bar shows in the Finder.
  • On the right of the bar, you will see a plus sign. Click on it to bring up another menu with more options.
  • In that menu, look for a check box with the name ‘System Files’ and check it.
  • After pressing OK, you will see a System Files option in that left most drop down menu.
 
Convert .WAV to .MP3 using iTunes

  • Launch iTunes.
  • Open iTunes preferences from the Edit menu.
  • Click on Import Settings under the General Tab.
  • Select MP3 Encoder from the ‘Import Using’ dropdown menu.
  • Adjust the bitrate quality setting, and click OK.
  • Exit the preferences.
  • Select the .WAV file and then go to Advanced Menu and select Create MP3 Version.
  • After selecting, iTunes will quickly re-encode the file and a new MP3 file will be added in your iTunes directory.
 
Reset the 'Open With' Menu with the Terminal

  • For OS X 10.5.x and later

    /System/Library/Frameworks/CoreServices.framework/Frameworks/LaunchServices.framework/Support/lsregister -kill -r -domain local -domain system -domain user.

  • For OS X 10.4.x

    /System/Library/\Frameworks/ApplicationServices.framework/Frameworks/LaunchServices.framework/Support/lsregister \-kill -r -domain local -domain system -domain user
 
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