As "cat cowsay" tells me that cowsay is an executable, I wouldn't expect "sh cowsay" to work in any event.
Re:Show HN: My personal website is a shell
by joshspankit on Monday April 05, 2021 @12:59PM
(#26701545)
I personally think this is the best solution besides implementing ‘./‘: take the colouring off and simply return “permission denied” when someone tries to ‘chmod’
Expected behaviour from *nix would be that you'd either
Or Of course the extension is not technically required, but it would help in the UX for the user to try running it on the sh command.