Version Application

• Apache

  /usr/sbin/httpd -v

• TOMCAT
  make sure $JAVA_HOME already set. caranya

  export JAVA_HOME=/lokasi your java sdk/
  cd /opt/tomcat/bin/ kemudian
  ./version.sh

• COBOL
  

  echo $COBDIR
  cat $COBDIR/etc/cobopt 
  

• Redhat Family

  cat /etc/system-release

• Solaris system

  cat /etc/release

  patch that has been installed in the system

  showrev -p