Re: 'free' and 'top' show the wrong amount of RAM


Subject: Re: 'free' and 'top' show the wrong amount of RAM
From: Robert Fout (rfout@mahi.damien.edu)
Date: Thu Mar 02 2000 - 21:37:34 MST


But aren't those the same thing, since 1024 bytes is base 2?

what good is a standard if it's not the same?

Bob
---------------------------------------
"The knack to flying is learning how to
throw yourself at the ground and miss."

>From "Life the Universe and Everything"
by Douglas Adams

Robert Fout
MacOS Guru and MkLinux/Yellowdog Linux User
rfout@damien.edu
http://osx.damien.edu/rfout/
ICQ# 48433406

> From: "Jason P. Stanford" <Jason.Stanford@pobox.com>
> Organization: Sayonara Lehigh!
> Reply-To: yellowdog-general@lists.yellowdoglinux.com
> Date: Thu, 02 Mar 2000 23:59:54 -0500
> To: yellowdog-general@lists.yellowdoglinux.com
> Subject: Re: 'free' and 'top' show the wrong amount of RAM
>
> Well, I believe it comes down to the fact that memory *must* be based on
> powers of 2 (2^n), as it has a fixed set of 2^n bits to play with.
> Whereas disk space is based on storage allocation units of 1024 bytes.
> Subtle...
>
> Robert Fout wrote:
>>
>> Wouldn't it seem odd to have two different definitions of MB... anyone here
>> have some serious college degrees in computer science? I'm pretty sure that
>> a MB is a MB is a MB (2^20 or 1024^2)
>>
>> Bob
>> ---------------------------------------
>> "The knack to flying is learning how to
>> throw yourself at the ground and miss."
>>
>>> From "Life the Universe and Everything"
>> by Douglas Adams
>>
>> Robert Fout
>> MacOS Guru and MkLinux/Yellowdog Linux User
>> rfout@damien.edu
>> http://osx.damien.edu/rfout/
>> ICQ# 48433406
>>
>>> From: "Jason P. Stanford" <Jason.Stanford@pobox.com>
>>> Organization: Sayonara Lehigh!
>>> Reply-To: yellowdog-general@lists.yellowdoglinux.com
>>> Date: Thu, 02 Mar 2000 23:24:20 -0500
>>> To: yellowdog-general@lists.yellowdoglinux.com
>>> Subject: Re: 'free' and 'top' show the wrong amount of RAM
>>>
>>> A hunch:
>>>
>>> Memory is 2^n power and disk space is (2^n * 1024). I might be a
>>> little bit off. For example, 1MB of RAM is 2^20=1,048,576 and 1MB of
>>> hard drive space is 1,000 * 1024 = 1,024,000 bytes.
>>>
>>>
>>> Roy Koch wrote:
>>>>
>>>> Hi Good buddy I wish I knew I can't believe someone here can't answer that
>>>> question?
>>>>
>>>> Robert Fout wrote:
>>>>
>>>>> okay, i know everyone is excited about 1.2 coming out, but this is just
>>>>> something I'm curious about: why 'free' and 'top' show the incorrect about
>>>>> of RAM being in my machine (B&W G3/400 rev. 2)
>>>>>
>>>>> [rfout@bigblue rfout]$ free
>>>>> total used free shared buffers cached
>>>>> Mem: 127312 24844 102468 16608 940 14880
>>>>> -/+ buffers/cache: 9024 118288
>>>>> Swap: 131096 0 131096
>>>>>
>>>>> I have 128 of RAM, and 128 MB of swap (the amount of swap is shown okay,
>>>>> but
>>>>> not RAM)
>>>>>
>>>>> 127312/1024=124.328125
>>>>>
>>>>> I used RHL 6.1 a PIII/500 at school (with 64 MB of RAM) and 'free' on
>>>>> those
>>>>> machines showed them as having ‰62 MB of RAM.
>>>>>
>>>>> Using
>>>>>
>>>>> What the heck is causing this.. is the ROM being stored in RAM... but that
>>>>> wouldn't make sense on the PC?
>>>>>
>>>>> Bob
>>>>>
>>>>> ---------------------------------------
>>>>> "The knack to flying is learning how to
>>>>> throw yourself at the ground and miss."
>>>>>
>>>>>> From "Life the Universe and Everything"
>>>>> by Douglas Adams
>>>>>
>>>>> Robert Fout
>>>>> MacOS Guru and MkLinux/Yellowdog Linux User
>>>>> rfout@damien.edu
>>>>> http://osx.damien.edu/rfout/
>>>>> ICQ# 48433406



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