lassie% ls
libr.a       main.o       random.h     random2.c
main.c       random.c     random.o     typescript
lassie% rm libr.a
lassie% cc201 -c random2.c
lassie% ls
main.c       random.c     random.o     random2.o
main.o       random.h     random2.c    typescript
lassie% ar -qv libr.a random2.o
q - random2.o
ar: Warning: creating libr.a
s - creating symbol hash table. Wait...
s - done
lassie% ls
libr.a       main.o       random.h     random2.c    typescript
main.c       random.c     random.o     random2.o
lassie% 
lassie% cc201 main.o -L . -lr
lassie% a.out

Enter 1 to continue: 1
Sum of two dice between 1 and 6
      10        2        7        7       11 
       6        4       11        5        8 
       8       10        6        4        7 
       9       11       10        9        2 
       6        8        6        5       12 
       8        7        5        9        8 
      11        5        7       10        8 
      10        6        6        9        5 
       7        9       10        8        7 
       5        8        5        7        4 

Enter 1 to continue: 1
Sum of two dice between 1 and 6
      10        2        7        7       11 
       6        4       11        5        8 
       8       10        6        4        7 
       9       11       10        9        2 
       6        8        6        5       12 
       8        7        5        9        8 
      11        5        7       10        8 
      10        6        6        9        5 
       7        9       10        8        7 
       5        8        5        7        4 

Enter 1 to continue: 0
lassie%