standard output; stdout
Computing term for the default output stream of a program, typically displayed on the screen.
Display the program's results on standard output.
Error messages are output to standard error, not standard output.
Standard input (stdin), the default input stream for a program.
Standard error (stderr), a separate output stream for error messages.
Compound of 標準 (standard) and 出力 (output), a direct translation of the English computing term 'standard output'.