清晰且易于操作的用户界面；动态显示光标的当前位置；在文本编辑区接受并保存输入信息；光上移，下移，左移，右移；允许删除当前标后的字符；将编辑文本存盘，读出并显示硬盘中的指定文件。

-Clear and easy to use user interface　dynamically displays the current cursor position　in the text editing area to accept and save input information　light on the move, down, left, shifted to the right　allowed to delete the character after the current standard　to edit the text Save , read out and display the hard disk in the specified file.