Linked by Mo Mckinlay on Fri 31st Oct 2003 17:35 UTC
There's been much discussion over the past few months about the marriage of databases and filesystems - with Microsoft's Longhorn reportedly sporting the
Yukon integrated SQL Server, and GNOME Storage in heaty debate, if not development, there's been lots to talk about.
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What I've not seen mentioned is the fact that the operating system exists on top of a virtual machine which includes DB2. The virtual machine was a 256-bit architecture when the System/38 and AS/400 hardware was 48-bit and the rest of the world was 16 and 32-bit. The hardware has changed several times since 1979 but compiled applications rarely need to be re-compiled to run.
The file system is more complicated. There is a root level system which was introduced several years ago which contains the database file system, the document file system, a UNIX-compatible file system, and any user-installed file systems.
As far as applying the database system to work on another operating system, it wouldn't be easy because it's not just a file system.