Using SAS Libraries

Introduction

A SAS library is a collection of one or more SAS files that are recognized by SAS, and that are referenced and stored as a unit. Each file is a member of the library. An engine is the software component that SAS uses to create, read, update, and manage the files that reside in a SAS library. The topics in the following list discuss the use of library engines and SAS libraries:

SAS Library Engines: describes how to use various types of engines under z/OS to access SAS libraries. For the base, sequential, and certain compatibility engines, the SAS libraries can exist in various formats.
Library Implementation Types for Base and Sequential Engines: describes the purpose for each of the various library formats as well as how to select the format that is most appropriate for your application.
Assigning SAS Libraries: describes the various means for specifying that a particular library be used within a SAS session.

See SAS Language Reference: Concepts for additional general information about SAS libraries and SAS I/O engines.

Note: If you are using files in the UNIX System Services (USS) file system, SAS views the UNIX file system, the z/OS file system (zFS), and the Hierarchical File System (HFS) as functionally equivalent. [cautionend]

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