正如在第二章里所描述的,操作员通过这个命令,能把一个物理设备分配。 The operator can assign a physical device to a logical device name through this command, as described in the second chapter.
由终端操作员或计算机发送的字符或其它的短报文,用以指出已经收到前一报文。 By a terminal operator or computer; to send a character or other message to indicate that the previous message has been received.
正如在第二章里所描述的,操作员通过这个命令,能把一个物理设备分配给一个逻辑设备名。 The operator can assign a physical device to a logical device name through this command, as describe in the second chapter.