docs: shell-based instructions
docs: shell-based instructions

Fix #8483
ryanshaw/jekyll,jaybe-jekyll/jekyll,jaybe-jekyll/jekyll,jaybe-jekyll/jekyll,chrisfinazzo/jekyll,fulldecent/jekyll,x-way/jekyll,chrisfinazzo/jekyll,x-way/jekyll,fulldecent/jekyll,chrisfinazzo/jekyll,x-way/jekyll,jekyll/jekyll,fulldecent/jekyll,jekyll/jekyll,ryanshaw/jekyll,jekyll/jekyll,x-way/jekyll,jaybe-jekyll/jekyll,ryanshaw/jekyll,chrisfinazzo/jekyll,jekyll/jekyll,fulldecent/jekyll,ryanshaw/jekyll