Tutorial by Topics: bsd

This section provides an overview of what freebsd is, and why a developer might want to use it. It should also mention any large subjects within freebsd, and link out to the related topics. Since the Documentation for freebsd is new, you may need to create initial versions of those related topic...

To quote from @SnoringFrog's topic-creation request: "One of the biggest gotchas using sed is scripts that fail (or succeed in an unexpected way) because they were written for one and not the other. Simple run-down of the more major differences would be good." macOS uses the BSD ver...