In Dokuwiki, there is a neat URL that will display all the informations about your Dokuwiki installation, including the version. You simply log in as the administator and suffix your URL with ?do=check, like the following.
http://localhost/mywiki/doku.php?do=check
About the author
Xuan Ngo is the founder of OpenWritings.net. He currently lives in Montreal, Canada. He loves to write about programming and open source subjects.