Parallelize execution of scripts with expectation of the result?

Question

linux

How to run multiple scripts from a script and get the result in the parent script?
Here is something similar www.cplusplus.com/reference/thread/thread/join to do (do not cling to threads and php)
Maybe there is a utility for Linux?

Answer 1

I settled on this https://www.mullie.eu/parallel-processing-multi-ta...