In a previous article, Using GDB to time travel, I explained the basics of time travel with GNU Debugger (GDB) and how you can go back to see the past. However, as all fans of time travel media know, merely seeing the past is just the surface of what you can do. In this article, we'll discuss more interesting things you can do, such as creating time loops and changing the past without paradoxes. I won’t explain new commands this time, but I will put a few of them together in new and exciting way...