title: Missing .cshrc file
body: <p>I've installed cshell on Ubuntu 12.04, but there's no <code>.cshrc</code> file (either in <code>~</code> or <code>/etc</code>) - is it safe to create 1 to put a <code>source</code> to a script file, and if so, where's the best place to put it?</p>