SAFKAS Perfect File Compilation solves the knapsack problem. You know the problem: You would fill a CD, DVD or a harddisk but there are to many files. How to fill the drive perfectly. What is the best space-filling compilation? How do you get the best solution? This ist very simple: Buy SAFKAS Perfect File Compilation! You just select the source directory and the target directory or drive. And the software lists the optimal file compilation. With one click you can move all files to the target directory. That's it!