Commands:

ls

cd cookbooks

ls cd test-cookbook

ls

tree

clear

cd ..

vi test-cookbook/recipes/test-recipe.rb

execute "run a script" do
command <<-EOH
mkdir /rajputdir
touch /rajputfile
EOH
end 

chef exec ruby -c test-cookbook/recipes/test-recipe.rb

chef-client -zr “recipe[test-cookbook::test-recipe]”

ls /

chef-client -zr “recipe[test-cookbook::test-recipe]” > It will execute as the code contains linux command so, it will execute each & every time we use this command, thats the draw-back of using linux commands inside Ruby code