##### 21.3.9.4 Running and Debugging

You can now begin debugging the task using gdb's execution control commands, `b`, `step`, `run`, etc. See the gdb manual for the list of commands.

         (gdbslet) b main
         Breakpoint 1 at 0x12010000: file prog.c, line 3.
         (gdbslet) run
         Starting program: prog
         Breakpoint 1, main (argc=1, argv=0xeffff21c) at prog.c:3
         3        char *symarg = 0;
         (gdbslet) step
         4        char *execarg = "hello!";
         (gdbslet)