Solaris has long claimed superiority in the area of filesystems.
It' ZFS technology makes ext3 start to look antiquated (although
ext3 is more mature). Andrew Morton has long since argued for the
need of a new 'from scratch' filesystem to replace the aging and in
his words 'crufty' codebase of ext3. Various filesystems have come
and gone and for quite sometime many in the Linux community thought
Reiser4 would be that filesystem, but alas it was not to be (at the
risk of offending someone I will spare the details).
"However Oracle it seems will be the unlikely hero, as it's
skunkworks develop a next generation Linux Filesystem named