Looking for rationale of fs naming conventions (more????)

Eric Fischer eric at fudge.uchicago.edu
Fri Sep 4 07:50:11 AEST 1998

> From: Johnny Billquist <bqt at Update.UU.SE>

> Are you sure that was 256-byte blocks? DEC usually talked about words when
> it came to the pdp-11, and one word is 2 bytes, meaning the block is 512
> bytes. Almost all DEC disks have 512 byte blocks on the pdp-11. Anybody
> know any exceptions? (Is the RF-11? That disk is before my time...)

Oh!  You're right -- I looked at the line in the manual that says

   The disk contains 1024 256-word blocks, numbered 0 to 1023 ...

and misread 256-word as 256-byte because it was such a strange concept
that Unix would ever be doing word-oriented I/O.  That makes a lot
more sense.


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