小编use*_*279的帖子

我正在尝试执行以下操作：

exec &>filename

在此之后，我看不到任何内容，包括我输入的内容，好吧。

我疯狂地尝试 ,exec 1>&1和exec 2>&2，但没有任何反应。

现在，在不杀死 shell 的情况下，如何分别取回重定向到 stdout 的输出和重定向到 stderr 的错误？文件描述符是引用标准 [in|out]put 和 stderr 的唯一方法吗？

当我尝试参考 find 命令的手册页时，我遇到了

-mmin n
        The value of n can be one of the following:
          n
               Evaluates as True if the file modification time subtracted from the initialization time, divided by 60 seconds (with any remainder discarded), is
               n.
          -n
               Evaluates as True if the file modification time subtracted from the initialization time, divided by 60 seconds (with any remainder discarded), is
               less than n.
          +n
               Evaluates as True if the file modification time subtracted from the initialization time, divided …