# awk -F\' '/menuentry / {print $2}' /boot/grub/grub.cfg
Ubuntu
Ubuntu, with Linux 3.13.0-107-generic
Ubuntu, with Linux 3.13.0-107-generic (recovery mode)
Ubuntu, with Linux 3.13.0-57-generic
Ubuntu, with Linux 3.13.0-57-generic (recovery mode)
Ubuntu, with Linux 3.13.0-54-generic
Ubuntu, with Linux 3.13.0-54-generic (recovery mode)
Ubuntu, with Linux 3.13.0-51-generic
Ubuntu, with Linux 3.13.0-51-generic (recovery mode)
Memory test (memtest86+)
Memory test (memtest86+, serial console 115200)
# uname -r
3.13.0-107-generic