total 28
drwxr-xr-x 1 root root  4096 Oct 31  2025 .
drwxr-xr-x 1 root root  4096 Sep  7 18:21 ..
-rwxr-xr-x 1 root root 15960 Oct 31  2025 a.out
-rw-r--r-- 1 root root    61 Oct 24  2025 hi.c
/etc/apt/preferences.d
