well@well-Inspiron-7548:~$ ls -l /sys/firmware/efi
total 0
-r--r--r--  1 root root 4096 May 11 20:02 config_table
drwxr-xr-x  2 root root    0 May 11 19:46 efivars
-r--r--r--  1 root root 4096 May 11 20:02 fw_vendor
-r--r--r--  1 root root 4096 May 11 20:02 runtime
drwxr-xr-x 11 root root    0 May 11 20:02 runtime-map
-r--------  1 root root 4096 May 11 19:48 systab
drwxr-xr-x 62 root root    0 May 11 19:48 vars
well@well-Inspiron-7548:~$ ^C