DIR ..
   DIR Makefile.gph                                             701B 2022-08-07 07:55 GMT
   DIR comp.c.gph                                               8.9K 2022-08-07 07:55 GMT
   DIR grep.1.gph                                               3.7K 2022-08-07 07:55 GMT
   DIR grep.h.gph                                               4.9K 2022-08-07 07:55 GMT
   DIR grep.y.gph                                               6.7K 2022-08-07 07:55 GMT
   DIR main.c.gph                                               9.7K 2022-08-07 07:55 GMT
   DIR sub.c.gph                                                8.8K 2022-08-07 07:55 GMT