When the same system option is set in more than one place, the most recent specification is used. Therefore, the SAS System Options window or OPTIONS statement takes precedence over the SAS autoexec file; the SAS autoexec file takes precedence over the SAS command; and the SAS command takes precedence over the SAS configuration file and environment variable settings.
Copyright 1999 by SAS Institute Inc., Cary, NC, USA. All rights reserved.