input-output control command 输入输出控制指令
When finished viewing the output from the lpstat -w command, type a Control-C to interrupt the "while" loop.
查看完lpstat - w命令的输出之后，按Control - C中断“while”循环。
You can send the output of most control structures to another UNIX command — after all, the shell treats the control structure as a command.
您可以将大多数控制结构的输出发送给另一个UNIX命令——毕竟，Shell将该控制结构视为一个命令。
The backup command includes a host of options, parameters, and clauses that control backup output. The following table lists some typical backup options.
BACKUP命令有许多选项、参数和子句来控制备份的日志输出，下表列出一些一般性的备份选项。
应用推荐