Zak

Zak is a powerful tool that can easily convert multiple mp3 files into a single mp3 or mp4/m4a/m4b file. With its primary use being for audio books, this software makes it easier to manage them since most audio books are distributed in various files (usually one file per chapter). When you convert these files into a single .m4b file, you can take full advantage of the bookmarking features of your iPod.

Zak is built on python's PyGTK module and it is designed primarily as a GNU/Linux software. However, it can also work on other systems effortlessly with little hassle. For it to work smoothly, Zak has a few requirements that include Python, PyGTK, GTK+, MadPlay, ffmpeg, vte, gstreamer, and gstreamer-python.

The installation process is quite straightforward. First, locate your download and unpack it. Then, navigate to the unarchived directory and use sudo or root to run the install. Once everything is installed correctly, you'll be able to run Zak directly from the command line with ease.

Overall, Zak is an excellent tool that is highly optimized for sorting out audio book files for iPods. It comes highly recommended for individuals who want to have all their chapters in a single file. With its smooth installation process and the ease of running it from the command line, it is a must-have for Linux users.