iFR linux-image-2.6.32-24-generic 2.6.32-24.41 Linux kernel image for version 2.6.32 on x86
iF man-db 2.5.7-2 on-line manual pager
iF perl 5.10.1-8ubuntu2 Larry Wall's Practical Extraction and Report
pF tzdata 2011g-0ubuntu0.10.04 time zone and daylight-saving time data
iU tzdata-java 2011g-0ubuntu0.10.04 time zone and daylight-saving time data for

##</code><code>##

which perl
/usr/local/bin/perl

##</code><code>##

perl -v 
This is perl 5, version 12, subversion 1 (v5.12.1) built for x86_64-linux

##</code><code>##

sudo apt-get --reinstall perl
E: Felaktig åtgärd perl