Get more free space on large ext3 partitions

Storage capacities have grown exponentially over the past few years and it is not uncommon when building new systems to configure file systems on volumes larger than a 1TB. By default ext3 partitions reserve 5% of the space for the system. On large partitions this is much more than necessary and can be safely reduced to 1% with “tune2fs -m 1 /dev/hd??”