Which do we want to keep and which should be synonymed to the other?
return-status, with 118 questions, says:
Use this tag If your question revolves around determining or utilizing the return status (exit code) of a command. Common syntax involves the $? variable and the && and || symbols.
exit-code, with 31 questions, says:
The exit-code tag has no usage guidance, can you help us create it?
Additional data (as of 2019-02-17):
- "exit code" is:q = 345 questions
- "exit status" is:q = 277 questions
- "return code" is:q = 130 questions
- "return status" is:q = 35 questions
As mentioned, the POSIX standard uses the term "exit status".
Let's go ahead and rule out %ERRORLEVEL% :)