mogstored and df(1) arguments

Leon Brocard acme at
Thu Mar 9 08:06:19 UTC 2006

On 3/9/06, Eric Hodel <drbrain at> wrote:

> -k specifies 1024-byte blocks, but -P specifies POSIX mode which uses
> 512-byte blocks.  It appears that the -P wins since it comes last.

This sounds awfully like a silly portability thing.

uname -a; df -k -l -P
Darwin roo.config 8.5.0 Darwin Kernel Version 8.5.0: Sun Jan 22
10:38:46 PST 2006; root:xnu-792.6.61.obj~1/RELEASE_PPC Power Macintosh
Filesystem   512-blocks     Used     Avail Capacity  Mounted on

uname -a; df -k -l -PLinux 2.4.19-gentoo-r10 #6 Wed
May 7 20:56:57 BST 2003 i686 Pentium III (Coppermine) GenuineIntel
Filesystem         1024-blocks      Used Available Capacity Mounted on

uname -a; df -k -l -P
Linux braga 2.6.8-2-686-smp #1 SMP Thu May 19 17:27:55 JST 2005 i686 GNU/Linux

uname -a; df -k -l -P
SunOS searchuk 5.9 Generic_112233-08 sun4u sparc SUNW,Ultra-60
df: unknown option: P
Usage: df [-F FSType] [-abeghklntVv] [-o FSType-specific_options]
[directory | block_device | resource]

Pesky operating systems!

Why, what does it do on your OS?


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