Re: Additional option to ls -l for large files

[Warner Losh]

In message <v04220801b4a20f42cd3a@[195.238.1.121]> Brad Knowles writes:
:       I always thought it was "k/m/b = 1,000/1,000,000/1,000,000,000" 
: and "K/M/G = 2^10/2^20/2^30".  Or was this just some convention I 
: learned somewhere that I mistakenly thought of as an actual accepted 
: rule?

This is wrong.  k is Si for 10^3, but m is 10^-3.  M is 10^6 and G is
10^9.  K was used for a long time for 2^10.  M and G were overloaded
to mean 2^20 and 2^30, but some people even in the industry broke
ranks (the disk drive makers) and were able to claim larger disk sizes 
by using the Si meaning of M rather than the CS meaning of M.  I've
rarely seen your meanings used anywere, except for the k vs K thing.

You may want to take a look at
        http://physics.nist.gov/cuu/Units/binary.html
for definitions of the binary stuff.

Warner


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