1 cd cse374/;ls -l 2 emacs & 3 cat answer.c 4 gcc -v |more 5 gcc -v -Wall -g -o answer answer.c 6 gcc -E answer.c 7 gcc -E answer.c |wc 8 cat answer.c 9 gcc -E answer.c > answer.e 10 ls 11 jobs 12 gcc -Wall -g -o reverse reverse.c 13 ./reverse 14 gdb reverse 15 script debugdemo 16 history >lec12.history