how to target run command of scss

how to target a a scss file which compile css 

to target a file we need a command which  compile scss to css

here the example

here the file hierarchy on one which scss files and the other output files come in css file so

Open a command prompt

and move to your project directory  e.g(C:/OurProject)


now when you stand on your project styling folder 
run the command for compilation 

before run the command create a scss file in scss folder 
then type a command

sass --watch scss/main.scss:css/main.css


 

now change in your scss file and its auto compile it into css file