crontab 2>&1
时间: 2023-10-19 22:30:04 浏览: 46
在crontab中,2>&1是一个重定向操作符,用于将标准错误输出(stderr)合并到标准输出(stdout)中。具体来说,2代表stderr,1代表stdout。该操作符的作用是将标准错误和标准输出的内容合并到同一个输出流中,以便可以一起输出或者重定向到同一个位置,比如/dev/null。这样可以确保在执行定时任务时,无论是标准输出还是标准错误都能够被正确地处理或者忽略。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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