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To: jkh@violet.berkeley.edu (Jordan K. Hubbard)
cc: hackers@FreeBSD.org
Subject: Re: any interest? 
In-reply-to: Your message of "Sat, 01 Apr 95 22:29:57 PST."
             <199504020629.WAA24567@violet.berkeley.edu> 
From: David Greenman <davidg@Root.COM>
Reply-To: davidg@Root.COM
Date: Sat, 01 Apr 1995 22:38:16 -0800
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>In article <3kv3v0$jq7@park.uvsc.edu> Terry Lambert <terry@cs.weber.edu> writes:
>
>> The way to create swapfiles is to use the command:
>> 
>> 	dd if=/dev/zero count=XXX,bs=YYY of=my_swap_file
>> 
>> Where you replace XXX and YYY with whatever you want to get any
>> size of swap file.
>
>The usual way under SunOS is 'mkfile 4m /some/file'. This way
>no disk blocks are allocated until they are actually needed. 
>Here is a clone implementation of mkfile, done by Robert Claeson 
>(prc@erbe.se).

   Swapfiles should be pre-allocated to maximize contiguousness.

-DG