<&|/l&>Search for tickets. Enter id numbers, queues by name, Owners by username and Requestors by email address. RT will look for anything else you enter in ticket bodies and attachments.

<&|/l&>Searching the full text of every ticket can take a long time, but if you need to do it, you can search for any word in full ticket history for any word by typing fulltext:word.

<&|/l&>RT will look for anything else you enter in ticket subjects.