What are input and output commands?

What is output commands?

Use the OUTPUT command to: Direct the output from a job to your terminal. The output includes the job's job control language statements (JCL), system messages (MSGCLASS), and system output (SYSOUT) data sets.

What are input commands?

The . INPUT command causes Runoff to get the next line of source text from the user's terminal, instead of from the Runoff source item. The text input from the terminal is processed without a BREAK or mode change.

What do the input and output mean?

Inputs are the signals or data received by the system and outputs are the signals or data sent from it. The term can also be used as part of an action; to "perform I/O" is to perform an input or output operation.

What are the four types of input, output commands?

An interface may receive four types of commands. They are control, status, data input and data output Control command: It is issued to activate the peripheral and to inform it what to do.