Make Tech Easier published a tutorial about how to combine PDF files.
How to Combine PDF Files on Windows and Linux
You probably have many PDF documents stored in your computer. One of the best ways to organize them is to combine PDF files. When you combine/merge multiple PDF files into a single PDF, it is easier to manage, access, and back up. PDFtk Server is a command line tool that allows you to easily combine multiple PDF files into one.
How to Combine PDF Files on Windows and Linux
