<p>Commands
<ul>
<li>firefox -P : opens Firefox at profile prompt</li>
<li>firefox -P "Foo" : opens Firefox with Foo profile</li>
</ul>
<p>Change "firefox" for "thunderbird" to do the same for email profiles.</p>
<p>Locations (on Linux), these are hidden .folders.</p>
<ul>
<li>Firefox : /home/foo/.mozilla/firefox/profiles.ini</li>
<li>Thunderbird : /home/foo/.mozilla-thunderbird/profiles.ini</li>
</ul>
<p>Locations for <a href="https://support.mozilla.com/en-US/kb/Profiles">Windows &amp; Mac</a> users.</p>
<p>Profiles.ini settings</p>
<ul>
<li>Name : name used in profile</li>
<li>Path : path to profile folder</li>
<li>Default : default profile used when just "firefox" or "thunderbird" are exectuted</li>
</ul>
<p>Firefox Extensions</p>
<ul>
<li><a href="https://addons.mozilla.org/en-US/firefox/addon/2109">FEBE</a> : Firefox Environment Backup Extension</li>
<li><a href="https://addons.mozilla.org/en-US/firefox/addon/6152">OPIE</a> : Ordered Preference Import/Export</li>
<li><a href="https://addons.mozilla.org/en-US/firefox/addon/2942">CLEO</a> : Compact Library Extension Organizer</li>
</ul>
<p>Thunderbird Extensions</p>
<ul>
<li><a href="https://addons.mozilla.org/en-US/thunderbird/search?q=gmail+imap&cat=all">Gmail IMAP</a></li>
</ul>
</p>