> i just deleted 100 megs of files out of my temp dir and df -h doesn't show > the space freed yet. it has done this in the past and a reboot will always > give me my space back, but why doesn't it do it immediatly? http://www.freebsd.org/doc/en_US.ISO8859-1/books/faq/disks.html#DU-VS-DF