total 579M
-rw-r--r-- 1 root root 246K Jan 13 07:04 config-5.10.0-1057-oem
-rw-r--r-- 1 root root 249K Dec 14 03:29 config-5.11.0-44-generic
-rw-r--r-- 1 root root 249K Jan  6 16:13 config-5.11.0-46-generic
-rw-r--r-- 1 root root 252K Jan  7 08:50 config-5.13.0-25-generic
-rw-r--r-- 1 root root 252K Jan 13 16:11 config-5.13.0-27-generic
drwx------ 3 root root 4.0K Dec 31  1969 efi
drwxr-xr-x 4 root root 4.0K Jan 19 14:35 grub
lrwxrwxrwx 1 root root   28 Jan 19 14:36 initrd.img -> initrd.img-5.13.0-27-generic
-rw-r--r-- 1 root root 123M Jan 13 10:20 initrd.img-5.11.0-44-generic
-rw-r--r-- 1 root root 123M Jan 13 10:23 initrd.img-5.11.0-46-generic
-rw-r--r-- 1 root root 125M Jan 18 08:54 initrd.img-5.13.0-25-generic
-rw-r--r-- 1 root root 125M Jan 19 14:35 initrd.img-5.13.0-27-generic
lrwxrwxrwx 1 root root   26 Jan 19 14:36 initrd.img.old -> initrd.img-5.10.0-1057-oem
drwx------ 2 root root  16K Apr  1  2021 lost+found
-rw-r--r-- 1 root root 179K Aug 18  2020 memtest86+.bin
-rw-r--r-- 1 root root 181K Aug 18  2020 memtest86+.elf
-rw-r--r-- 1 root root 181K Aug 18  2020 memtest86+_multiboot.bin
-rw------- 1 root root 5.6M Jan 13 07:04 System.map-5.10.0-1057-oem
-rw------- 1 root root 5.6M Dec 14 03:29 System.map-5.11.0-44-generic
-rw------- 1 root root 5.6M Jan  6 16:13 System.map-5.11.0-46-generic
-rw------- 1 root root 5.7M Jan  7 08:50 System.map-5.13.0-25-generic
-rw------- 1 root root 5.7M Jan 13 16:11 System.map-5.13.0-27-generic
lrwxrwxrwx 1 root root   25 Jan 19 14:33 vmlinuz -> vmlinuz-5.13.0-27-generic
-rw------- 1 root root  12M Jan 13 07:25 vmlinuz-5.10.0-1057-oem
-rw------- 1 root root  12M Dec 14 08:23 vmlinuz-5.11.0-44-generic
-rw------- 1 root root  12M Jan  6 16:27 vmlinuz-5.11.0-46-generic
-rw------- 1 root root 9.7M Jan  7 08:50 vmlinuz-5.13.0-25-generic
-rw------- 1 root root 9.7M Jan 13 16:50 vmlinuz-5.13.0-27-generic
lrwxrwxrwx 1 root root   23 Jan 19 14:33 vmlinuz.old -> vmlinuz-5.10.0-1057-oem