Carl Allain wrote:
> Manpage of df command (and info page) does not mention -m option
> (undocumented).
Thank you for the report. However what you describe is intentional
for a very long time now. The df -m, and du -m options are now
obsolescent. The NEWS file contains this information:
[4.1.5]
* The following options are now obsolescent, as their names are
incompatible with IEC 60027-2:
df, du: -m or --megabytes (use -BM or --block-size=1M)
df, du, ls: --kilobytes (use --block-size=1K)
The version history shows:
commit d1772031eefaec26e15bd526f6bd6c959ce059b6
Author: Jim Meyering <j...@meyering.net>
Date: Fri Dec 21 11:35:54 2001 +0000
(BLOCK_SIZE_OPTION): Remove; no longer needed now that we have 'B'.
(long_options, usage, main): Add -B.
(usage): Deprecate --kilobytes, -m, --megabytes.
Document size suffixes.
The documentation was removed prior to removing the option itself.
Because this was an intentional change I do not believe it will be
"fixed" by documenting it. Fixing it would mean completely removing
the option and completing the transition.
Bob
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