Origin of "partition" in storage devices

ben bfranchuk at jetnet.ab.ca
Mon Jan 31 20:13:08 CST 2022

On 2022-01-31 6:19 p.m., Bill Gunshannon via cctalk wrote:
> 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.
> bill
How are text files handled the above systems?
The editor writes to a temp file, then deletes
the old file, and renames the temp file?

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