Added an example in the man page and changed the help for the -m option.
-rw-r--r-- 58 .gitignore
-rw-r--r-- 1380 Makefile
-rw-r--r-- 2137 dus.1
-rw-r--r-- 12882 dus.c
-rw-r--r-- 35147 gpl-3.0.txt