On Wed, 21 Aug 2002, axacheng wrote: > I have a big size file about 33G in /home directory !!! and i wanna backup this file into tape device.... > Unfortunately, My tape just 24G(compressd).....so that i must be change tape when data write into tape device... If tar won't do multi-volumes with your drive, something like: dd bs=1024k count=20000 if=your.file of=/dev/tape # part 1 dd bs=1024k skip=20000 if=your.file of=/dev/tape # part 2 rob Live the dream.