Typing a backspace (your erase character) backs up, erasing the last part
of the command. When a command is complete, a return enters it, and
any semantic checking is done at that time. If no errors are detected,
Typing a backspace (your erase character) backs up, erasing the last part
of the command. When a command is complete, a return enters it, and
any semantic checking is done at that time. If no errors are detected,