【单选题】In vi, which key is used to change from input mode to command mode?
【单选题】In the command mode of vi, which character can be used to append the text.
【单选题】In the command mode of vi, which character can be used to append the text after the current cursor on the same line.
【单选题】A new application has been added to a system which needs to automatically be started at system startup. The system administrator has decided to accomplish this by using the /etc/inittab file. Which co...
【单选题】当有工作人员发现现场发生火灾时,利用通讯工具通知车控室。车控室值班员在IBP盘上上直接启动火灾模式。这种启动方式为()。