Starting program: /usr/local/bin/nitrogen 
[Thread debugging using libthread_db enabled]
[New Thread -1208124944 (LWP 10842)]
Usage: /usr/local/bin/nitrogen [dir]

Program exited with code 01.
(gdb) [lostson@grooveUnit1 ~]$ gdb /usr/local/bin/nitrogen                      GNU gdb Red Hat Linux (6.5-15.fc6rh)
Copyright (C) 2006 Free Software Foundation, Inc.
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This GDB was configured as "i386-redhat-linux-gnu"...Using host libthread_db library "/lib/libthread_db.so.1".

(gdb) run 
Starting program: /usr/local/bin/nitrogen 
[Thread debugging using libthread_db enabled]
[New Thread -1208731152 (LWP 10849)]
Usage: /usr/local/bin/nitrogen [dir]

Program exited with code 01.
(gdb)