Screen capture on Mac
Mac can capture the screen very easily,there are three command:
-
command+shift+3: Get the full screen; -
command+shit+4: Get a part of screen, we can pull the cursor to adjust the size; -
command+shif+4 then hit theSPACEkey, get one windown on your desktop.
The pictures store at desktop by default, and the format is PNG,can use the terminal to change these setting:

屏幕快照 2015-01-10 下午12.46.44.jpg
By changing location of the file, we can get the picture on your desired directory, for this case,in the ~/Pictures/Snapshot/, we check it :

屏幕快照 2015-01-10 下午12.48.02.jpg
Screen Record
Just use the Quicktime installed with Os X , at the same time , you can get some very simple cut and editor for the film, ready to upload two clips, but it seems that 简书 can not support the video now, I need extra work to show this.