Designed for users of SAS in the OpenVMS Alpha environment, this companion is an invaluable reference tool. This documentation describes the features of the SAS language and the SAS interface that are available only on OpenVMS Alpha or that behave differently on OpenVMS Alpha than on other platforms. You will learn basic X window concepts, how they relate to SAS, and how to use X resources to customize your SAS session. Additional topics include: working in and customizing the SAS windowing environment, using SAS files, data libraries, and engines, using external files and devices as sources of input and as receivers of output, routing SAS output, accessing external shareable images from SAS, optimizing system performance. A reference section describes the SAS language features, such as data set options, procedures, and system options, that have aspects specific to OpenVMS Alpha. This title is also available online. This title is intended for SAS software users who have had some experience with SAS and with the OpenVMS Alpha operating environment. System administrators will want to read this title to understand how SAS works under OpenVMS Alpha. Supports releases 9.1 and higher of SAS software.