Suppose you create a new Mac OS Command Line Application using Xcode, which prints something. How do you actually find and run it using your command line or Finder?

Application was “built“, but project directory structure does not seem to contain an executable file. For what matter in what format will this file be?
Please advise
This should help out:
For->Archiving).
folder. This will typically be something like
/Users//Library/Developer/XCode/DerivedData//Build/Products/Release.
directory, and type in your command name.
EDIT
I see you mentioned iOS in your question and tagged it as such. This answer is NOT relevant to iOS, infact I see no option to build a command line application for that system and it doesn’t really make much sense to have one.