I am using EDB and stepping through the program but I do not even know what the difference in behavior is when doing this. I feel like this is something I should know if I ever have hope of reverse engineering this program.
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The gdb terms (and commands) are step and next and the difference is that step continues to run until it changes line of source code, while next doesn't trace into a subroutine, but rather skips over it. The stepi and nexti commands are similar but operate at the machine instruction level rather than source code level. Read more in The Fine Manual.
