tom@tom:~$  tail -f /var/log/syslog and tail -f /var/log/dmesg
==> /var/log/syslog <==
Jun  3 13:15:54 tom kernel: [  240.465877]  [<ffffffff8123aae5>] ext4_readdir+0x185/0x900
Jun  3 13:15:54 tom kernel: [  240.465879]  [<ffffffff811d1675>] iterate_dir+0xa5/0xe0
Jun  3 13:15:54 tom kernel: [  240.465881]  [<ffffffff811ef5d5>] ? SYSC_statfs+0x25/0x30
Jun  3 13:15:54 tom kernel: [  240.465882]  [<ffffffff811d1ad2>] SyS_getdents+0x92/0x120
Jun  3 13:15:54 tom kernel: [  240.465884]  [<ffffffff811d1790>] ? fillonedir+0xe0/0xe0
Jun  3 13:15:54 tom kernel: [  240.465886]  [<ffffffff8173391d>] system_call_fastpath+0x1a/0x1f
Jun  3 13:16:47 tom dbus[840]: [system] Activating service name='org.kde.powerdevil.backlighthelper' (using servicehelper)
Jun  3 13:16:47 tom org.kde.powerdevil.backlighthelper: QDBusConnection: system D-Bus connection created before QCoreApplication. Application may misbehave.
Jun  3 13:16:47 tom dbus[840]: [system] Successfully activated service 'org.kde.powerdevil.backlighthelper'
Jun  3 13:17:01 tom CRON[4521]: (root) CMD (   cd / && run-parts --report /etc/cron.hourly)
tail: cannot open ‘and’ for reading: No such file or directory
tail: cannot open ‘tail’ for reading: No such file or directory

==> /var/log/dmesg <==
[   36.032497] Bluetooth: L2CAP socket layer initialized
[   36.032500] Bluetooth: SCO socket layer initialized
[   36.039337] Bluetooth: RFCOMM TTY layer initialized
[   36.039345] Bluetooth: RFCOMM socket layer initialized
[   36.039348] Bluetooth: RFCOMM ver 1.11
[   36.041043] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[   36.041045] Bluetooth: BNEP filters: protocol multicast
[   36.041049] Bluetooth: BNEP socket layer initialized
[   36.421407] init: cups main process (957) killed by HUP signal
[   36.421414] init: cups main process ended, respawning