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System Options under z/OS

FILEREUSE System Option: z/OS



Specifies whether to reuse an existing allocation for a file that is being allocated to a temporary ddname.
Default: NOFILEREUSE
Valid in: configuration file, SAS invocation, OPTIONS statement, OPTIONS window
Category: File Control: EXTFILES
PROC OPTIONS GROUP= EXTFILES
z/OS specifics: all

Syntax
Details

Syntax

FILEREUSE | NOFILEREUSE


Details

If FILEREUSE is in effect and there is a request to allocate a file that is already allocated, the existing allocation is used whenever dynamic allocation can use the existing allocation. The default, NOFILEREUSE, requests that dynamic allocation create a new unique allocation. For more information about reusing an existing allocation, see z/OS V1R8.0 MVS Authorized Assembler Services Guide from IBM.

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