The log configuration file name is:
portal_server_configuration_directory/PSAdminLogConfig.properties
Example: /etc/opt/SUNWportal/PSAdminLogConfig.properties
The log file location is:
portal_server_data_directory/logs/admin/
Example: /var/opt/SUNWportal/logs/admin/
By default, one file is created. The file name is portal.admin.cli.0.0.log.