Re: Use of Swap Space
- From: Lee Glidewell <lee.glidewell@xxxxxxxxx>
- Date: Sun, 1 Feb 2009 12:49:14 -0800
On Saturday 31 January 2009 21:01:14 David Fox wrote:
It isn't that RAM has a FAT - those things only are present on
filesystems. It is more likely that free's interpretation doesn't
include kernel memory. Also, 4gb may be 4*1024*1024 not 4*1000*1000,
although that is more likely to be a concern with hard disk capacity.
No, the issue is that manufactures advertise in *1000, while computers use
bytes in *1024. The recent convention that's come into place to represent this
is between Kilo/Mega/Giga-bytes (*1000) and Kibi/Mebi/Gibi-bytes (*1024).
So a stick of memory advertised as 4 Gigabytes is going to present itself to
your computer as 3.84 Gibibytes, roughly.
http://xkcd.com/394/
Lee
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