ls -lboot

total 20469
drwxr-xr-x 6 root root     1024 May 23 17:46 grub
-rw-r--r-- 1 root root 14364391 May 23 18:36 initramfs-linux-fallback.img
-rw-r--r-- 1 root root  2959302 May 23 18:36 initramfs-linux.img
drwx------ 2 root root    12288 May 23 16:27 lost+found
-rw-r--r-- 1 root root  3535984 Apr  1 13:37 vmlinuz-linux