QUENCH YOUR THIRST

Simply, you need to click the upload button on the header of the site at the second right corner. When you click there there, you will be taken to a upload page. There you can see a dialog box. Now, Add your file and enter your gmail address. At the description box, include the subject and chapter of the file you are uploading. Hope this would help.

No, You can't copy the file uploaded subject wise in the pages. Just you can copy syllabus. And you can also get PDFs of text book if available with no restrictions. This is security measure applied just to avoid unwanted copying of the text.