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Date: Mon, 17 Jul 1995 11:28:57 -0600 (MDT)
From: Brian Handy <handy@condor.physics.montana.edu>
To: freebsd-questions@freebsd.org
Subject: Increase swap Q
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Well...I'm still paying for my ignorance when I installed 2.0.5.  My swap 
space is way WAY too small.  I have 24 MB of ram, and the disk partitions 
look like this (240 MB hard drive):

Filesystem  1K-blocks     Used    Avail Capacity  Mounted on
/dev/wd0a       22823    12488     8509    59%    /
/dev/wd0s4e    179342   121801    43193    74%    /usr
procfs              4        4        0   100%    /proc

Yep...that's a big 4K for swap.

So...after noting that little problem, I then note I'm short on disk space
by about 40 MB.  It appears I've configured away a large chunk of my disk. 
The whole disk is (supposed to be) FreeBSD. 

SO....my question was about to be 'how do I make a larger swapfile', but I
have a feeling it's deeper than that.  How can I figure out where the rest
of my disk went, and any suggestions for how to reclaim it short of
rebuilding the system? 

Furthermore...I'm a little vague on adding swapfiles.  Specifically, 
I have an old e-mail that says to generate the swapfile do something like:

              dd if=/dev/zero of=/tmp/swapfile

...what's /dev/zero?  This is new to me.  Anyway, this starts building a 
file that increases without bound until the disk is full.  How can I 
generate a swapfile of some specific size?  I haven't found anything in 
the mail archives that explained this in the Fisher-Price tone of voice I 
need to hear.

Thanks!

Brian Handy