This post helps you to know how to get the particular file type in the result of your search. For example: If you are searching for the c basics which you want to download in a pdf format. Dont’t search for a while and don’t try to search on some web pages. There is a method which helps you to download a file with a click.
Just type c basics filetype:pdf in google and then click on search. Now you can see the result only with the pdf pages. Instead of c basics you can type what ever you want, even you can change the filetype as txt,doc etc everything depends on your wish. I hope this one is really useful to you. Love you 🙂