mark@mark-Inspiron-3847:~ $ ls /boot
abi-4.15.0-32-generic         memtest86+.elf
abi-4.15.0-33-generic         memtest86+_multiboot.bin
config-4.15.0-32-generic      retpoline-4.15.0-32-generic
config-4.15.0-33-generic      retpoline-4.15.0-33-generic
efi                           System.map-4.15.0-32-generic
grub                          System.map-4.15.0-33-generic
initrd.img-4.15.0-32-generic  vmlinuz-4.15.0-32-generic
initrd.img-4.15.0-33-generic  vmlinuz-4.15.0-33-generic
memtest86+.bin