How does standard output work?

What does standard output mean?

Standard output (stdout) Standard output is a stream to which a program writes its output data. The program requests data transfer with the write operation. Not all programs generate output.

What is standard output in computer?

The standard output device, also referred to as stdout , is the device to which output from the system is sent. Typically this is a display, but you can redirect output to a serial port or a file. On operating-system commands and IBM® MQ control commands, the < operator redirects input.

What is standard input output?

Yes, standard input (stdin) is input exepected from the keyboard. So, could be in the form of user input from a basic program or from a command line argument. Standard output (stdout) is the output of the code, usually to the terminal window.

What is standard output and standard error?

Your screen is the standard output, sometimes denoted as stdout . By default, commands take input from the standard input and send the results to standard output. Standard error, sometimes denoted as stderr, is where error messages go. By default, this is your screen.