This command USES the klogctl system call to read the kernel ring buffer and emit it to standard output (stdout).

这个命令使用klogctl系统调用来读取内核环缓冲区，并将它转发到标准输出(stdout)。

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The curl -n command forces curl to read your.netrc file.

curl - n命令强制curl读取您的. netrc文件。

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Another important aspect of executing commands from the command-line interface (CLI) is the ability to write various outputs to a device or to read input into a command from another device.

通过命令行界面(CLI)执行命令的另一个重要方面是，能够把各种输出写到一个设备，或者把来自另一个设备的输入读取到命令中。

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