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echo: lan
to: BRUCE LANE
from: JONATHAN HUNTER
date: 1997-04-08 11:50:00
subject: Needed Info

Hello Bruce!
05 Apr 97 22:45, Bruce Lane wrote to Jonathan Hunter:
 JH>> What are you wibbling on about? Please explain why you think that
 BL>     Sir, I do not 'wibble!' If anything, I 'waffle.' And I'll have you
 BL> know I'm PROUD to do so! 
:-) OK I apologise for insulting your waffling skills!
 JH>> Oh, and DOS *can* use more than 26 drive letters.
 BL>     Please explain! I'd like some background on where the limit came
 BL> from in the first place, as well as what can be done to overcome it (I
 BL> do get asked this periodically).
The 26 letter limit came from backwards-compatibility with CP/M, which just
used single drive letters for all its disks. Instead of following the Unix 
model
(one large tree, no such concept as "drive letters"), DOS went the CP/M way. 
It
was either felt to be too difficult, not worth it, or whatever to easily 
extend
the drive letters beyond 26 (although early versions of DOS *did* have 
upport
for up to (I believe) 63 drive letters).
The only way I have come across to have drive letters above Z is to use
Novell's NETX requester. When LASTDRIVE is set to Z, it can be persuaded to 
map
drives in the A-Z region, as well as above Z (e.g. [: etc)
Jonathan
... Question authority! (But raise your hand first.)
--- FMail/386 1.02
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