V2EX = way to explore
V2EX 是一个关于分享和探索的地方
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This topic created in 3394 days ago, the information mentioned may be changed or developed.
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1
orderc Jan 17, 2017
查看错误， exec('command 2>&1')，重定向标准错误到标准输入
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jianixrabbit Jan 17, 2017 via Android
到标准输出
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