When I saw this my first thought was to wonder whether it would be better to use this than to use Racket for systems/shell programming? The Racket documentation

When I saw this my first thought was to wonder whether it would be better to use this than to use Racket for systems/shell programming? The Racket documentation has a complete tutorial on using Racket for systems programming. Can anyone who has used both comment on their relative merits? P.S. Best Acknowledgements Page. EVER!