9 of the Worldâs Deadliest Snakes. 1  9A dangerous African snake named for its black mouth. 2  8The barba amarilla (âyellow chinâ) of Latin America. 3  7One of the most dangerous snakes in Africa.  6The quintessential Australian 1  cobra. 5The killer of the most people.  4A dangerous snake with a triangular-shaped cross section.
The purpose of the Command key is to allow the user to enter keyboard commands in applications and in the system. The Macintosh Human Interface Guidelines have always recommended that developers use the Command key (and not the Control or Option keys) for this purpose.
What is the Super key? This key can usually be found on the bottom-left of your keyboard, next to the Alt key, and usually has a window/squares icon on it. It is sometimes called the Windows key, logo key, or system key.