The AutoCAD Command System: The first thing to understand about
AutoCAD is how the command system operates. Everything in
AutoCAD is achieved by issuing a command. Generally, commands
are entered by: In some cases, a particular command can be
entered in any one of those three ways depending on your
personal preference. To complicate the matter further, some
commands can be typed in with an abbreviated alias, which is
often the quickest way to get the command started. Once a
command has been issued, AutoCAD displays a prompt (or
instruction) on the command line indicating your options for
proceeding with that command. To see how the command process
operates, watch the command line as you click on any toolbar
button. You will see the corresponding command printed at the
command prompt and then, as AutoCAD responds to the command, it
will display some kind of instruction or prompt (on the same
line) and then wait for you to respond. Remember to press the
key if you wish to cancel the command (unless you want to