> >># df -kh > >>Filesystem Size Used Avail Capacity Mounted on > >>/dev/sd2a 906G 859G 1.2G 100% /home
$ cd
$ sync ; sync ; sync ; df -h
$ dd if=/dev/zero of=file bs=1m count=1024
$ du -h file
$ sync ; sync ; sync ; df -h
Did the Avail space drop by 1G?
$ rm -f file
$ sync ; sync ; sync ; df -h
Did the Avail space rise by 1G again?

