Shebina K wrote:

hai , Here we implement koha-2.0.0. i would like to know what is the difference between koha1.2.3 and this.

set MARC=ON in PARAMETERS/systemprefs and you will see ;-) It's "only" full MARC support. There are also dozens of other improvements. -- Paul POULAIN Consultant indépendant en logiciels libres responsable francophone de koha (SIGB libre http://www.koha-fr.org)