1. ATTRIB Command

Defines a list of attributes to be referenced by the USING operand of the ALLOCATE command.

Syntax
figure attrib stmt
Figure 1. ATTRIB Command

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Item Description

name

Name of a list of attributes.

rec_len

Record length.

blksz

Block length.

buflen

Buffer length. For syntax check only.

bufno

Number of buffers for a data set. For syntax check only.

ncp

Maximum number of READ or WRITE allowed before a CHECK is issued. For syntax check only.

limct

Number of tracks or blocks to be searched. For syntax check only.

expdt

Expiration date of a data set.

retpd

Retention period in days.

bufoff

Prefix length of the block. For syntax check only.

den

Magnetic tape storage density. For syntax check only.

keylen

Key length.
Operands

The following table describes the operands mentioned previously.

Operand Description

DSORG (DS)

Specifies the data set structure.

  • DA: direct access.

  • DAU: direct access unmovable.

  • PO: partitioned organization.

  • POU: partitioned organization unmovable.

  • PS: physical sequential.

  • PSU: physical sequential unmovable.

RECFM (REC)

Specifies the record format.

  • A: records begin with ANSI control.

  • B: blocked.

  • D: D format.

  • F: fixed length.

  • L: line data.

  • M: records begin with machine control.

  • S: spanned.

  • T: track overflow.

  • U: undefined length

  • V: variable length

LRECL (LR)

Specifies the record length.

BLKSIZE (BLK, BL)

Specifies the block length.

BUFL

Specifies the buffer length. For syntax check only.

BUFNO (BUFN)

Specifies the number of buffers for a data set. For syntax check only.

INPUT (I)

Process the data set to be processed for input. For syntax check only.

OUTPUT (OU)

Process the data set to be processed for output. For syntax check only.

NCP (N)

Specifies the maximum number of READ or WRITE allowed before a CHECK is issued. For syntax check only.

BFALN (BFA)

Specifies the boundary alignment of buffers. For syntax check only.

BFTEK (BFT)

Specifies the type of buffering. For syntax check only.

LIMCT (LI)

Specifies the number of tracks or blocks to be searched. For syntax check only.

EROPT (ER)

Specifies a handling method to use if an error occurs processing a record. For syntax check only.

DIAGNS (DI)

Traces the work area and the DCB. For syntax check only.

EXPDT (EX)

Specifies the expiration date of a data set.

RETPD (RET)

Specifies the retention period in days.

OPTCD (OP)

Specifies options. For syntax check only.

BUFOFF (BUFO)

Specifies the prefix length of a block. For syntax check only.

DEN (DE)

Specifies the magnetic tape storage density. For syntax check only.

KEYLEN (K)

Specifies the key length.

MODE (M)

Specifies the print mode for printing Chinese characters. For syntax check only.

TRTCH (T)

Specifies the recording tape for the tape. For syntax check only.

REUSE (REU)

Specifies that the data set specified in the ddname is to be reused if it is already used.
Example

The following example uses the ATTRIB command.

ATTRIB DCB1 RECFM(F,B),LRECL(80),DSORG(PO)