use syntax like "krbroot ssh linerva" when you want to use your
root instance for a command. You can also "krbroot shell".
- * quentin has [kdo](http://web.mit.edu/quentin/Public/mac-bashrc),
+ * quentin and broder wrote [kdo](http://web.mit.edu/snippets/kerberos/kdo),
which is similar in spirit to krbroot, but designed for Mac OS
X. It takes advantage of the fact that OS X's Kerberos
implementation is better at handling multiple tickets.