03-08-2013
FWIW - Only / and /boot are required for a bootable RHEL. Even though swap is optional it's really risky to have a system without it - many programs will crash or won't even load, the system may have memory leaks here and there, you'll often have OOM crashes, etc.
So yeah, use the / + /boot + swap combo unless you really REALLY have a good reason not to have a swap partition.
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LEARN ABOUT DEBIAN
swap-offset
SWAP-OFFSET(8) swap-offset SWAP-OFFSET(8)
NAME
swap-offset - program to calculate the offset of a swap file in a partition
SYNOPSIS
swap-offset [<swap_file>]
DESCRIPTION
This manual page documents briefly the swap-offset.
This manual page was written for the Debian(TM) distribution because the original program does not have a manual page.
The programs s2disk and s2both can be used to save the state of the whole system to a swap partition or file and power off or suspend your
system. After restarting your system it will be put back in the exact system state you left it (this is sometimes called hibernation).
In the case of using a swap file you will have to specify the location of the swap file's header as the offset from the beginning of the
partition that contains the swap file. The swap-offset utility can be used to determine this value.
SEE ALSO
uswsusp.conf(8), s2disk(8)
For more information see the HOWTO and the README
AUTHOR
This manual page was written by Tim Dijkstra tim@famdijkstra.org for the Debian(TM) system (but may be used by others). Permission is
granted to copy, distribute and/or modify this document under the terms of the GNU General Public License, Version 2 any later version
published by the Free Software Foundation.
On Debian systems, the complete text of the GNU General Public License can be found in /usr/share/common-licenses/GPL.
AUTHOR
TimTim DijkstraDijkstra <tim@famdijkstra.org> <tim@famdijkstra.org>
Wrote this manpage for the Debian system.
COPYRIGHT
Copyright (C) 2006 Tim Dijkstra
uswsusp juni 24, 2006 SWAP-OFFSET(8)