Origin of "partition" in storage devices

Bill Gunshannon bill.gunshannon at hotmail.com
Mon Jan 31 19:19:49 CST 2022

On 1/31/22 20:13, Fred Cisin via cctalk wrote:
> On Mon, 31 Jan 2022, Paul Koning via cctalk wrote:
>> Yes, RT-11 is a somewhat unusual file system in that it doesn't just 
>> support contiguous files -- it supports ONLY contiguous files.  That 
>> makes for a very small and very fast file system.
>> The only other example I know of that does this is the PLATO file system.
> The UCSD P-System had contiguous files.  If small files had been 
> deleted, so that space was fragmented, you had to run a "CRUNCH" program 
> to defragment it.   Directory entries had the starting location and length.

That was a minor inconvenience.  The bigger problem was that on a
"CRUNCHed" disk you could only open one file for writing. Attempt to
open a second returns an error.


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