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.
No need to purchase an apple keyboard. On a generic USB keyboard the Alt key works as Option, and the Windows key works as Command. The positions of those two keys are generally reversed from a mac keyboard, so some people swap the function of those keys in the OSX control panel. share Share on Twitter Share on Facebook Email Link.