gistfile1.txt

$ sudo apt-get install futz
Reading package lists... Done
Building dependency tree       
Reading state information... Done
E: Couldn't find package futz

$ sudo aptitude install futz
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Initializing package states... Done
Writing extended state information... Done
Couldn't find any package whose name or description matched "futz"
Couldn't find any package whose name or description matched "futz"
No packages will be installed, upgraded, or removed.
0 packages upgraded, 0 newly installed, 0 to remove and 43 not upgraded.
Need to get 0B of archives. After unpacking 0B will be used.
Writing extended state information... Done
Reading package lists... Done             
Building dependency tree       
Reading state information... Done
Reading extended state information      
Initializing package states... Done