Last week, I had to produce a short tutorial about screen recording on Mac OS X Mavericks.

To produce the tutorial I had to use QuickTime Player app, but from the GUI there is no way to launch two instances of QuickTime Player app.

I need the first instance to register the video of the second instance, the second instance had the job of show the tutorial.

So, I had to register the second instance of QuickTime Player app doing the tutorial steps.


To launch two instances of QuickTime Player app, execute the following steps:
1. Open a terminal window

2. Run the following command to launch the first instance of QuickTime Player app

3. Run again step2, to launch the second instance.