Starting program: /usr/local/games/ufoai/ufo Program terminated with signal SIGKILL, Killed. The program no longer exists. You can't do that without a process to debug. (gdb) run Starting program: /usr/local/games/ufoai/ufo Program terminated with signal SIGKILL, Killed. The program no longer exists. You can't do that without a process to debug. (gdb)