just as silly is "people should learn the POSIX shell" first Where did the GP make that assertion? I don't see anywhere in the post where they say "please rewr

just as silly is "people should learn the POSIX shell" first Where did the GP make that assertion? I don't see anywhere in the post where they say "please rewrite all the shell examples in POSIX-compliant sh". All I see is a request to inform the reader that not every shell is bash.