vlad@zarinda:~$ sudo gdb
GNU gdb 6.7.1-debian
Copyright (C) 2007 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "i486-linux-gnu".
(gdb) run aptitude
Starting program: aptitude
No executable file specified.
Use the "file" or "exec-file" command.
(gdb) bt
No stack.
(gdb)