Kbytes: Real memory vs. Hard disk space
Geoff Coleman
geoff at ugc.uucp
Sat Jun 22 00:51:17 AEST 1991
In article <862 at rufus.UUCP> drake at drake.almaden.ibm.com writes:
>Each announcement letter for a RISC System/6000 product contains the
>following comment:
>
> NOTE: MB is 1,048,576 bytes (two to the twentieth power) when
> referring to memory; in all other cases it is 1,000,000 (ten to the
> sixth power).
> GB is 1,073,741,824 bytes (two to the thirtieth power) when
> referring to memory; in all other cases it is 1,000,000,000 (ten to
> the ninth power).
So nice of IBM to use a couple of different definitions for the same
term. I guess it makes their disks look larger to the unknowing. What I find
really amusing is that du and df don't add up because du appears to return
number of blocks in 1024 byte blocks not in 1000 byte blocks.
Geoff Coleman
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