[TUHS] /dev/drum
Steve Nickolas
usotsuki at buric.co
Tue Apr 24 09:57:44 AEST 2018
On Tue, 24 Apr 2018, Johnny Billquist wrote:
> Which is also why the file system for RSX (ODS-1) placed the index file
> (equivalent of the inode table) at the middle of the disk by default.
>
> Not sure if Unix did that optimization, but I would hope so. (Never dug into
> that part of the code.)
That reminds me of the Apple ][, whose original DOS put the directory and
bitmap table on track 17 (0-indexed) on a 35-track floppy disk.
-uso.
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