BackupsCompared to Windows, the world of Unix backup is extraordinarily rich. You have many tools available, from basic to quite complex and extensive. Just knowing what tool to use is a challenge in itself.
Bill Vermillion's Tape Articles-Part 2, Recording and Playback HeadsA recording head is a horseshoe magnet taken to the extreme. The difference is that the open end of a recording head is extremely small. The easiest way to understand a very basic recording head is take a ring of metal, and cut a very small slot through it. Then we wrap some turns of wire around this ring on the side opposite the slot. Connect the wire it to an electron source, we will have a magnet with the magnetic field focused at that very small gap opposite the coil of wire.
Linux|Unix Logical Volume Manager (LVM) on Software RAIDLogical Volume Manager is now included with most Linux distributions. The RedHat 8.0 installer even allows you to create LVM volumes during initial install. LVM offers capabilities previously only found in expensive products like Veritas.