Hi!!!! I compile the PostgreSQL on a SPARCStation 20 with Solaris 7, using GCC 2.95.2 but in the momento to run the aplication with the next command: nohup /usr/local/pgsql/bin/postmaster -i > pgserver.log I received the next message: IpcMemoryCreate: shmget failed (Invalid argument) key=5432001, size=1073152, permission=600 FATAL 1: ShmemCreate: cannot create region Somebody know what is the problem??? Regards ---------------------------------------+-------------------------------------- M. en C. Mario Farias-Elinos Baez | Laboratorio de Investigacion y e-mail: [EMAIL PROTECTED] | Desarrollo de Tecnologia Avanzada http://www.ulsa.mx/ | Coordinacion General de Investigacion Tel: +52-5-728-0500 ext. 5105 | Univeridad La Salle Fax: +52-5-515-7631 | Benjamin Franklin 47, Col. Condesa | Mexico, 06140. Mexico ---------------------------------------+--------------------------------------