1$ sh.exec.c
2$set 13 
31 hash=%-4d dir=%-2d prog=%s\n
42 %d hash buckets of %d bits each\n
53 debug mask = 0x%08x\n
64 %d hits, %d misses, %d%%\n
75 %S: shell built-in command.\n
86 %S: Command not found.\n
97 where: / in command makes no sense\n
108 %S is aliased to 
119 %S is a shell built-in\n
1210 hash miss: 
13