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Date: Thu, 20 Jan 2011 14:09:10 -0700
From: Warner Losh <imp@bsdimp.com>
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Subject: Re: Weed-whacking sysctl(8)
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On 01/20/2011 11:43, Garrett Cooper wrote:
> On Thu, Jan 20, 2011 at 10:30 AM, Garrett Wollman
> <wollman@hergotha.csail.mit.edu>  wrote:
>> In article<mit.lcs.mail.freebsd-arch/20110120190703.H11630@besplex.bde.org>,
>> Bruce Evans writes:
>>
>>> Also, it's not Kelvin, but deci-Kelvin :-).
>> If we're being pedantic, the name of the unit is the "kelvin",
>> lowercase "k", and the derived unit is the "decikelvin", lowercase "k"
>> and no hyphen.  The unit symbol is "K" (uppercase) for the base unit,
>> "dK" for the derived unit.  All SI unit names are in lower case; only
>> the symbols are (sometimes) capitalized if the unit is named after a
>> proper noun.  (Thus the symbol for the second is "s"; the symbol "S"
>> is for the Siemens, the unit of conductivity formerly called the
>> "mho".)
> <off-topic>
> Tunables support mixed-case units incorrectly as well, i.e.
> 1. 'g' / 'G' ->  'giga'
> 2. 'm' / 'M' ->  'mega'
> 3. 'k' / 'K' ->  'kilo'
> Something that Bruce brought up in another email thread with me.
> </off-topic>

No.  'k' is the proper SI prefix for kilo.  And all the SI prefixes are 
powers of ten only, but that's another can of worms.

http://physics.nist.gov/cuu/Units/prefixes.html

Warner

Warner