It’s so hard to understand what it is with definitions from Wikipedia and other random websites that come up when I Google it
In: Technology
People who want to interact with a computer at a low level efficiently (embedded engineers, sysadmins, networking professionals) use the command line. The command line is a magical place where you don’t have to touch a stupid mouse and most of what you are doing can be guessed after a few characters. When those people talk to a program they can use “stdin” which is the “standard input”, when the program wants to talk to them it can use “stdout” or “stderr” the former for normal output, the latter for errors. People usually use stdout as the command line they are using, but it can be redirected to the input to another program for processing.
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