Macro Facility under UNIX

SAS System Options Used by the Macro Facility in UNIX Environments

The following system options have operating environment dependencies:

MSYMTABMAX: specifies the maximum amount of memory available to all symbol tables (global and local, combined). Under UNIX, the default value for this option is 4M. For more information, see SAS Language Reference: Dictionary.
MVARSIZE: specifies the maximum number of bytes for any macro variable stored in memory. Under UNIX, the default value for this option is 32K. For more information, see SAS Language Reference: Dictionary.
SASAUTOS: specifies the AUTOCALL library. For more information, see The SASAUTOS System Option.