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a1exlism/linux_pipe

Created July 20, 2016 17:25
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linux pipe
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linux_pipe
Linux中标准输入为0，标准输出为1，标准错误输出为2
$./a.out 0 就是测试标准输入是否可读。因为默认标准输入是终端，终端是可读可写的。故输出为read write
$ ./a.out 0 < /dev/tty 实际是$ ./a.out 0 0< /dev/tty是把/dev/tty重定向为标准输入，而/dev/tty是只读的，……
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