Weed-whacking sysctl(8)

Garrett Cooper gcooper at FreeBSD.org
Thu Jan 20 21:14:51 UTC 2011


On Thu, Jan 20, 2011 at 1:09 PM, Warner Losh <imp at bsdimp.com> wrote:
> On 01/20/2011 11:43, Garrett Cooper wrote:
>>
>> On Thu, Jan 20, 2011 at 10:30 AM, Garrett Wollman
>> <wollman at hergotha.csail.mit.edu>  wrote:
>>>
>>> In
>>> article<mit.lcs.mail.freebsd-arch/20110120190703.H11630 at 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

1. 'g' doesn't map to anything.
2. 'm' is incorrect ('milli' vs 'mega').
3. 'K' doesn't map to anything.

That's what I meant.

Thanks!
-Garrett


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