A SAS file can be a SAS data set, a catalog, a stored program, or an access descriptor. SAS log a file that contains the SAS statements you enter and messages about the execution of your program. SAS system option an option that affects processing the entire SAS program or interactive SAS session from the time the option is specified until it is changed. Examples of items controlled by SAS system options include appearance of SAS output, handling of some files used by the SAS System, use of system variables, processing observations in SAS data sets, features of SAS System initialization, and the SAS System's interface with your computer hardware and with the operating system. You can also store other SAS files in this library.
Servers can provide file services, communication services, and so on.
Servers enable users to access common resources such as disks, data, and modems. See also client. See also client. The most common temporary library is the WORK library. See also WORK data library.