Published Book on Amazon
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All of IOT Starting with the Latest Raspberry Pi from Beginner to Advanced – Volume 1 |
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All of IOT Starting with the Latest Raspberry Pi from Beginner to Advanced – Volume 2 |
출판된 한글판 도서
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최신 라즈베리파이(Raspberry Pi)로 시작하는 사물인터넷(IOT)의 모든 것 – 초보에서 고급까지 (상) |
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최신 라즈베리파이(Raspberry Pi)로 시작하는 사물인터넷(IOT)의 모든 것 – 초보에서 고급까지 (하) |
Original Book Contents
10.1 Command Overview
10.1.1 Standard Input and Output
In the Shell, a standard device is already specified for the input device that receives the input data for execution and the output device for which the processing result is displayed. Therefore, unless there is a specific designation, data is always input from the standard input device, and the processing result is always output to the standard output device.
Below are standard input/output device:
■ Standard input -- Keyboard
■ Standard output -- Monitor