Start unit command failure Failed 开始单元指令失败功能失效
Fought along Antietam Creek, at Sharpsburg, Maryland, this battle brought about America's bloodiest day, the product of Confederate audacity and Union command failure.
这场沿马里兰州Sharpsburg的antietam溪展开的战役,由于联邦的大胆作战与邦联的错误指挥,造成了美国最血腥的一天。
If you want to check to see if a command was a success or a failure, you do something like Listing 9.
如果希望检查一个命令成功或者失败,那么您可以进行类似清单9中的操作。
And because every UNIX command returns a status code reflecting success or failure, you can use any command as a conditional — not just the test operators.
而且由于每个UNIX命令都返回一个指示成功或失败的状态代码,因此,您可以使用任何命令作为“条件”——而不仅仅是使用测试操作符。
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