Here are the results:
root@kb7qdi-laptop:~# ls -l /etc/apt total 44 drwxr-xr-x 2 root root 4096 2011-02-11 17:11 apt.conf.d drwxr-xr-x 2 root root 4096 2010-04-14 23:33 preferences.d -rw------- 1 root root 0 2010-04-29 06:25 secring.gpg -rw-r--r-- 1 root root 2953 2011-02-11 17:48 sources.list drwxr-xr-x 2 root root 4096 2011-02-11 17:08 sources.list.d -rw-r--r-- 1 root root 2953 2011-02-11 17:46 sources.list.distUpgrade -rw------- 1 root root 1200 2010-04-29 06:25 trustdb.gpg -rw-r--r-- 1 root root 7924 2010-12-15 20:49 trusted.gpg -rw-r--r-- 1 root root 6713 2010-04-29 06:25 trusted.gpg~ drwxr-xr-x 2 root root 4096 2010-04-14 23:33 trusted.gpg.d
Here are the results:
root@kb7qdi- laptop: ~# ls -l /etc/apt list.distUpgrad e
total 44
drwxr-xr-x 2 root root 4096 2011-02-11 17:11 apt.conf.d
drwxr-xr-x 2 root root 4096 2010-04-14 23:33 preferences.d
-rw------- 1 root root 0 2010-04-29 06:25 secring.gpg
-rw-r--r-- 1 root root 2953 2011-02-11 17:48 sources.list
drwxr-xr-x 2 root root 4096 2011-02-11 17:08 sources.list.d
-rw-r--r-- 1 root root 2953 2011-02-11 17:46 sources.
-rw------- 1 root root 1200 2010-04-29 06:25 trustdb.gpg
-rw-r--r-- 1 root root 7924 2010-12-15 20:49 trusted.gpg
-rw-r--r-- 1 root root 6713 2010-04-29 06:25 trusted.gpg~
drwxr-xr-x 2 root root 4096 2010-04-14 23:33 trusted.gpg.d