How Can I Find Out Which Version Of Tomcat Installed

If you see the out put of mentioned commands - it suggest dtomcat binary to be used --
Here is the output on my server-
[root - at - ****p07 tomcat5]# dtomcat5 version
Using CATALINA_BASE: /usr/share/tomcat5
Using CATALINA_HOME: /usr/share/tomcat5
Using CATALINA_TMPDIR: /usr/share/tomcat5/temp
U JRE_HOME:
Server version: Apache Tomcat/5.5.23
Server built: Jun 25 2009 12:44:09
Server number: 5.5.23.0
OS Name: Linux
OS Version: 2.6.18-164.el5PAE
Archite i386
JVM Version: 1.5.0_06-b05
JVM Vendor: Sun Microsystems Inc.
[root - at - ****07 tomcat5]#

the command i use is tomcat5 -v
i have red hat fedora core 7, so im not sure if its the same for other distributinos.

[root at localhost ~]# tomcat5 -v
found java_home: /usr/lib/java
please complete your /etc/tomcat5/tomcat5.conf so we won't have to look for it next time
using catalina_base:   /usr
using catalina_home:   /usr
using catalina_tmpdir: /usr/temp
using jre_home:
usage: dtomcat5 ( commands ... )
commands:
  debug             start catalina in a debugger
  debug -security   debug catalina with a security manager
  jpda start        start catalina under jpda debugger
  run               start catalina in the current window
  run -security     start in the current window with security manager
  start             start catalina in a separate window
  start -security   start in a separate window with security manager
  stop              stop catalina
  stop -force       stop catalina (followed by kill -kill)
  version           what version of tomcat are you running?