/var/log/syslogkrishnaroona@krishnaroona-Lenovo-G570:/var/log$ ls
alternatives.log        auth.log        dpkg.log.2.gz     pm-powersave.log.1
alternatives.log.1      auth.log.1      dpkg.log.3.gz     pm-powersave.log.2.gz
alternatives.log.10.gz  auth.log.2.gz   dpkg.log.4.gz     pm-powersave.log.3.gz
alternatives.log.11.gz  auth.log.3.gz   dpkg.log.5.gz     pm-powersave.log.4.gz
alternatives.log.12.gz  auth.log.4.gz   dpkg.log.6.gz     pm-suspend.log
alternatives.log.2.gz   boot.log        dpkg.log.7.gz     pm-suspend.log.1
alternatives.log.3.gz   bootstrap.log   dpkg.log.8.gz     samba
alternatives.log.4.gz   btmp            dpkg.log.9.gz     speech-dispatcher
alternatives.log.5.gz   btmp.1          faillog           syslog
alternatives.log.6.gz   cups            fontconfig.log    syslog.1
alternatives.log.7.gz   dist-upgrade    fsck              syslog.2.gz
alternatives.log.8.gz   dmesg           gpu-manager.log   syslog.3.gz
alternatives.log.9.gz   dmesg.0         hp                syslog.4.gz
apport.log              dmesg.1.gz      installer         syslog.5.gz
apport.log.1            dmesg.2.gz      kern.log          syslog.6.gz
apport.log.2.gz         dmesg.3.gz      kern.log.1        syslog.7.gz
apport.log.3.gz         dmesg.4.gz      kern.log.2.gz     unattended-upgrades
apport.log.4.gz         dpkg.log        kern.log.3.gz     upstart
apport.log.5.gz         dpkg.log.1      kern.log.4.gz     wtmp
apport.log.6.gz         dpkg.log.10.gz  lastlog           wtmp.1
apport.log.7.gz         dpkg.log.11.gz  lightdm           Xorg.0.log
apt                     dpkg.log.12.gz  pm-powersave.log  Xorg.0.log.old
krishnaroona@krishnaroona-Lenovo-G570:/var/log$ /var/log/syslog