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.
Computer keyboard key explanations. When dealing with technical commands that use the keyboard (for example, web pages or the command line), you may hear such things as forward slash, backslash, and caret. Many times, this can be confusing for anyone unfamiliar with each of the symbols on a keyboard.omputer keyboard key explanations. When dealing with technical commands that use the keyboard (for example, web pages or the command line), you may hear such things as forward slash, backslash, and caret. Many times, this can be confusing for anyone unfamiliar with each of the symbols on a keyboard.