[root@home psy]# pacman -S catalyst
resolving dependencies...
looking for inter-conflicts...

Targets: libstdc++5-3.3.6-2  netkit-bsd-finger-0.17-3  catalyst-utils-8.5-1  
         klibc-1.5-5  klibc-extras-2.4-1  klibc-udev-116-3  
                  klibc-module-init-tools-3.2.2-3  klibc-kbd-1.15.20080312-5  
                           mkinitcpio-0.5.19-1  kernel26-2.6.25.4-1  catalyst-8.5-1  
                           
                           Total Download Size:    0.00 MB
                           Total Installed Size:   136.01 MB
                           
                           Proceed with installation? [Y/n] y
                           checking package integrity...
                           (11/11) checking for file conflicts                 [#####################] 100%
                           error: could not prepare transaction
                           error: failed to commit transaction (conflicting files)
                           klibc-kbd: /lib/initcpio/hooks/keymap exists in filesystem
                           klibc-kbd: /lib/initcpio/install/keymap exists in filesystem
                           Errors occurred, no packages were upgraded.