$ echo "-- user --"; ls -ld "$f"; df "$f"; echo "-- root --"; sudo ls
-- user --
-rw-r----- 1 vco vco 63824602 Jan 23 13:56 /home/vco/Vbox/virtualbox-5.0_5.0.14-105127-Ubuntu-trusty_amd64.deb
Filesystem     1K-blocks      Used Available Use% Mounted on
/dev/sda9      551682168 361569116 162066104  70% /home