05-11-2006
Quote:
Originally Posted by amro1
it is a good question BTW. First the manufacturers of hard drives since 2002 respecified Kbyte, Mbyte and Gbyte and they came up with “very smart” solution to call Kb =10e3, Mb=10e6 and Gb=10e9 respectively. It allows them to sell drives as higher capacity, as the real capacity is to be measured in a real Kilo, mega and Giga as K=2e10, M=2e20 and G=2e30 respectively.
The difference is quite significant as for 100Gb drive the presupposed capacity would be
100x2e30= 107374182400 when the “their” capacity is 100x10e9, that is some 7Gb less !
After that, not all the drive capacity is accessible to data as drives aren't used as RAW drives normally, but require to be formatted. Formatting drive means introducing the system of coordinated to the drive geometry so the a position of the some particular byte may be specified to the driver which will address the data on a drive. As you can imagine, the whole space has to be mapped so it takes additional average 7% of a drive space. So it is where your gigabytes have vanished.
Addressing second question, I'm not sure what your definition of “lot a trouble is”. For my taste it had never worked before in a fashion it wouldn't drive me out of my mind and for the reason I abandoned PC platform completely and use OS X on Apple hardware exclusively.
But is entirely different subject. You can try Mandrake Linux, so far it was most polished and relatively peacefully coexisted with Windows (and easy to install in another partition as Mandrake can do it automatically).
Hope it helps.
man that really sucks about redefining the sizes and what not. Imagine it though, I have only about 65G on a machine that says on paper has 80G, thats totally outrageous. Would it be the same you think if I opted for a different manufacturer, would 80G end up being 65G or is DELL just over the top? I mean I can understand the use of the 7% of my space but 7% does not equal to 15G, its like I have lost 10G worth of space...
Thanks for the info though, really helps and sets things in perspective.
With the 2nd Q, I was just wondering whether I would get some problems for example installing linux on the 2nd partition as a result of maybe not creating the partition right or maybe as a result of some obsecure windows system setting preventing me from installing linux properly??. Do I have to format the HD though since my laptop already came with XP home edition installed on it before I can create the 2 partitions?
thanks
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LEARN ABOUT MINIX
uuid_compare
UUID_COMPARE(3) Libuuid API UUID_COMPARE(3)
NAME
uuid_compare - compare whether two UUIDs are the same
SYNOPSIS
#include <uuid.h>
int uuid_compare(uuid_t uu1, uuid_t uu2)
DESCRIPTION
The uuid_compare function compares the two supplied uuid variables uu1 and uu2 to each other.
RETURN VALUE
Returns an integer less than, equal to, or greater than zero if uu1 is found, respectively, to be lexicographically less than, equal, or
greater than uu2.
AUTHOR
Theodore Y. Ts'o
AVAILABILITY
libuuid is part of the util-linux package since version 2.15.1 and is available from https://www.kernel.org/pub/linux/utils/util-linux/.
SEE ALSO
uuid(3), uuid_clear(3), uuid_copy(3), uuid_generate(3), uuid_is_null(3), uuid_parse(3), uuid_unparse(3)
util-linux May 2009 UUID_COMPARE(3)