Unix 面接の質問と回答
Question: What is a pipe and give an example?Answer: A pipe is two or more commands separated by pipe char '|'. That tells the shell to arrange for the output of the preceding command to be passed as input to the following command.Example : ls -l | pr The output for a command ls is the standard input of pr. When a sequence of commands are combined using pipe, then it is called pipeline. |
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