By default you can use the cursor keys, and backspace, to move around and edit the input line, just like with the Bash shell.
可以缺省地使用光标和退格键来移动和编辑输入行，就象在Bashshell中一样。
A character with no visible representation, such as a control character, a backspace, newline, and so on.
不可见字符。如控制符、回退删除符、换行符等。
I have seen HTML forms whereby the cursor moves from one input field to another automatically and USES backspace to move to the previous field.
我看过HTML表单，光标从一个输入字段自动移动到另一个输入字段，并使用退格键移动到上一个字段。
Now press Ctrl + Backspace to fill the selection with your pre-set Background Color.
现在，按Ctrl +Backspace将事先设置好的背景色填充到选区。
To name a window, activate the window. Click Ctrl-a A (uppercase A, for "Annotate"), click Backspace as needed to elide any existing moniker, then type a meaningful name at the prompt
指定窗口名称的方法是，激活窗口，按Ctrl-a A（大写的字母 A，代表 “Annotate”），根据需要按Backspace 删除现有的名称，然后在提示上输入一个有意义的名称
Experience tells us that Backspace does nothing of the sort.
不过经验告诉我们，退格键不会那样。
When a user mistypes, the Backspace key "undoes" the erroneous characters.
当用户输入错误时，可以按退格键“撤销”错误的字符。
Backspace delay lasts about0.05 seconds. If OFILL is set, one fill character is transmitted.
退格符延迟大约持续0.05秒。如果OFILL设定了，则传送一个填充字符。
Backspace "Backspace" moves the cursor one space to the left, at the same time erasing any character it moves over.
键将光标向左移一格，同时删除它移过的任何字符。
Backspace "Backspace" moves the cursor one space to the left, at the same time erasing any character it moves over.
键将光标向左移一格，同时删除它移过的任何字符。
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