Command that installed SVN to Magento:

http://www.magentocommerce.com/svn

Checkout Command (several "probably want to" statements, but reference to "force" and spedify folder to overwrite that is not in above reference --  needs to be more specific as to what is needed)

http://inchoo.net/ecommerce/magento/installing-magento/

Shell Script to reset ownership on a directory and then commit all changes

http://thedrupalblog.com/shell-script-reset-permissions-and-commit-all-subversion-changes-directory

WGet Instructions:

http://www.magentocommerce.com/wiki/groups/227/installing_magento_via_shell_ssh

A few links to SVN instructions:

http://serverfault.com/questions/150641/how-to-use-ubuntu-lucid-server-as-svn-trac-server

http://artis.imag.fr/~Xavier.Decoret/resources/svn/index.html

I am mainly looking for the "how now" path, but it would be good to get this settled for the longer term as well.

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Exploring SVN help now;  probably better than most "linked citations" for what to do it seems.

svn help

svn help export

svn help import

svn help checkout

svn help checkin  (does not exist  -  wanting to undo my Checkout command and use force)

Others wanting to do the same:

http://stackoverflow.com/questions/2058617/magento-subversion-svn-getting-a-development-environment-started

Module Manager - seemingly aimed at the same problem:

http://code.google.com/p/module-manager/

SVN Redmin Upgrade discussion on TKL (20 some steps...)

http://www.turnkeylinux.org/forum/support/20100104/how-upgrade-redmine-087