While PDF files have their uses, they can be a bit of a pain to work with. That's especially true when you need to mash two or more PDF files together — say, when you're adding a cover to a book.
To do that deed, you can use a pair of tools that I introduced a while back. Or you can jump to the command line and use software that's probably already on your computer. For the command line junkie, the latter option might be the preferred option.
Let's take a look at a quick and dirty way to combine PDFs at the Linux command line.
Ah, the PDF file. Like it or not (and there are many standing on both sides of that line), the PDF has somehow, in some way, become ubiquitous. It's become a de-facto standard document file format.
Nowadays, a range of different applications and tools can spit out PDFs with the click of a button or an option added to a command line. Generating a PDF is one thing. Manipulating one is something else. On the Linux desktop, there are several utilities which can do just that. Let's take a look at two of them.