When an application crashes in OS X you get a warning and a crash report on your desktop. The warning is displayed as a pop-up in the middle of the screen. This is convenient, but it could be better. It’s possible to get a crash notification in the Notification Center. Use the following command in Terminal to change this:
Notification Center
Notification Center: Change banner’s display time
By default all banners from the Notification Center stays 5 seconds on your screen. You can adjust how long Notification Center banners are shown before they disappear. To do this use the following command in OS X Terminal: