controls - How Do I know what a program is doing what commands its sending in and out etc

Question

So I want to know what a program does I know there is a such thing as procmon, but id basically like to know via command line or something , a log of what its doing, not necessarily what registers it accessing.like what commands its sending and receiving from a device.

question from:https://stackoverflow.com/questions/65836843/how-do-i-know-what-a-program-is-doing-what-commands-its-sending-in-and-out-etc

Answer 1

Waitting for answers