mdoc(7) police: removed HISTORY info from the .Os call.

Added the -l option to df, so to be compatable with other unicies.

PR: bin/27240
Reviewed by: GAWollman
MFC after: 2 weeks

Remove vestiges of MFS.

mdoc(7) police: split punctuation characters + misc fixes.

mdoc(7) police: use the new features of the Nm macro.

Add -g for gigabyte sizes.

Approved by: jkh

Fix miscellaneous mdoc macro argument limit infringements.

PR: 18465
Reported by: Kazu TAKAMUNE <takamune@avrl.mei.co.jp>

add human readable output (-h and -H)

Obtained from: parts of human readable code from OpenBSD
Reviewed by: obrien

add POSIX, byte and megabyte block size ouput flags

PR: 13579 (POSIX flag)
Submi

add human readable output (-h and -H)

Obtained from: parts of human readable code from OpenBSD
Reviewed by: obrien

add POSIX, byte and megabyte block size ouput flags

PR: 13579 (POSIX flag)
Submitted by: Mike Meyer <mwm@phone.net>

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Most modern OSs have the ability to flag certain mounts as ones to
be ignored by default by the df(1) program. This is used mostly to
avoid stat()-ing entries that do not represent "real" disk mount

Most modern OSs have the ability to flag certain mounts as ones to
be ignored by default by the df(1) program. This is used mostly to
avoid stat()-ing entries that do not represent "real" disk mount
points (such as those made by an automounter such as amd.) It is
also useful not to have to stat() these entries because it takes
longer to report them that for other file systems, being that these
mount points are served by a user-level file server and resulting in
several context switches. Worse, if the automounter is down
unexpectedly, a causal df(1) will hang in an interruptible way.

PR: kern/9764
Submitted by: Erez Zadok <ezk@cs.columbia.edu>

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$Id$ -> $FreeBSD$

Don't suggest sysctl(8) as a means for discovering what filesystem types
are available; suggest lsvfs(1) instead.

Reported by: Neil Blakey-Milner <nbm@rucus.ru.ac.za>

Removed occurrences of consecutive repeated words (such as "the the").

.Sh ENVIRONMENT VARIABLES -> .Sh ENVIRONMENT

PR: 6599
Reviewed by: phk
Submitted by: Josh Gilliam <josh@quick.net>

Correct use of .Nm.

environmental -> environment.

Merged from Lite2. The man page no longer attempts to list all the
vfs types.

Fixed ordering of FreeBSD `k' option in synopsis.

Revert $FreeBSD$ to $Id$

Attempt to import Lite2's df.

Make the long-awaited change from $Id$ to $FreeBSD$

This will make a number of things easier in the future, as well as (finally!)
avoiding the Id-smashing problem which has plagued developers for so

Make the long-awaited change from $Id$ to $FreeBSD$

This will make a number of things easier in the future, as well as (finally!)
avoiding the Id-smashing problem which has plagued developers for so long.

Boy, I'm glad we're not using sup anymore. This update would have been
insane otherwise.

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Sort cross references.

Merge Lite2 mods, cleanup man page, and -Wall cleaning.

The manual page of df called cd9660 file systems by the name
isofs while the df command itself used the name iso9660fs or
cdfs. Both of these were inconsistent with the name cd9660 wh

The manual page of df called cd9660 file systems by the name
isofs while the df command itself used the name iso9660fs or
cdfs. Both of these were inconsistent with the name cd9660 which
is used by the mount command. I modified df to recognize all of
the names cd9660, cdfs, isofs, and iso9660fs, and take them all
to refer to the same thing. Naturally I added a note of this
behaviour in the manual page too.

Submitted-By: Jukka Ukkonen <jau@jau.csc.fi>

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[HISTORY] command appeared in Version 1 AT&T UNIX
Obtained from: A Quarter Century of UNIX, Peter H. Salus, page 41

Added $Id$

Gimme back my `-k' option!
Also document `-t' option in the usage message.