check tomcat version on linux

[root@localhost ~]# /opt/tomcat/bin/version.sh
Using CATALINA_BASE: /opt/tomcat
Using CATALINA_HOME: /opt/tomcat
Using CATALINA_TMPDIR: /opt/tomcat/temp
Using JRE_HOME: /usr/java/default
Using CLASSPATH: /opt/tomcat/bin/bootstrap.jar
Server version: Apache Tomcat/6.0.32
Server built: February 2 2011 2003
Server number: 6.0.32.0
OS Name: Linux
OS Version: 2.6.18-194.el5PAE
Architecture: i386
JVM Version: 1.6.0_21-b06
JVM Vendor: Sun Microsystems Inc.
[root@localhost ~]#