$ sh.exec.c
$set 13 
1 hash=%-4d dir=%-2d prog=%s\n
2 %d hash buckets of %d bits each\n
3 debug mask = 0x%08x\n
4 %d hits, %d misses, %d%%\n
5 %S: shell built-in command.\n
6 %S: Command not found.\n
7 where: / in command makes no sense\n
8 %S is aliased to 
9 %S is a shell built-in\n
10 hash miss: