Exploring: /etc/network/if-down.d

Folder / File Owner Permissions Size
.rootdrwxr-xr-x4.00 KB
..rootdrwxr-xr-x4.00 KB
resolvconfroot-rwxr-xr-x256 bytes
upstartroot-rwxr-xr-x332 bytes

www-data@sambu: /etc/network/if-down.d$ No command