System Options under OpenVMS

OBS= System Option: OpenVMS

Specifies when to stop processing observations or records.

Default:	9223372036854775807
Valid in:	configuration file, SAS invocation, OPTIONS statement, SAS System Options window, VMS_SAS_OPTIONS DCL symbol
Category:	Files: SAS files
PROC OPTIONS GROUP=	SASFILES
OpenVMS specifics:	valid values for n; valid value for MAX
See:	OBS= System Option in SAS Language Reference: Dictionary

OBS=n | nK | nM | nG | nT | hexX | MIN | MAX

n | nK | nM | nG| nT: specifies a number to indicate when to stop processing. Using one of the letter notations results in multiplying the integer by a specific value. That is, specifying K (kilo) multiplies the integer by 1,024, M (mega) multiplies by 1,048,576, G (giga) multiplies by 1,073,741,824, T (tera) multiplies by 1,099,511,627,776. You can specify a decimal value for n when it is used to specify a K, M, G, or T value. For example, a value of 20 specifies 20 observations or records, a value of .782k specifies 801 observations or records, and a value of 3m specifies 3,145,728 observations or records.
hexX: specifies a number to indicate when to stop processing as a hexadecimal value. You must specify the value beginning with a number (0-9), followed by hexadecimal characters (0-9, A-F), and then followed by an X. For example, the hexadecimal value F8 must be 0F8x to specify the decimal equivalent of 248. The value 2dx specifies the decimal equivalent of 45.
MIN: sets the number to indicate when to stop processing to 0. MIN requires SAS to use a default value.
MAX: sets the number to indicate when to stop processing to 9,223,372,036,854,775,807. This number is the default.