Keywords › SEGMENT Keyword—Field Segments

SEGMENT Keyword—Field Segments

Valid on z/OS, z/VSE, and z/VM.

Use the SEGMENT keyword to:

• Assign fields to a specific segment. You cannot add user‑defined fields to system‑defined segments.
• List data about fields in a specific segment.

This keyword has the following format:

TSS ADDTO|LIST(FDT) SEGMENT(segmentname)

SEGMENT

Specifies the name of the segment.

Range: 1 to 8

Default: BASE

The predefined CA Top Secret segments are:

• ALL
• BASE
• CICS
• DCE
• DFP
• DLFDATA
• IMS
• LANGUAGE
• NETVIEW
• OPERPARM
• SESSION
• TSO
• WORKATTR
• z/OS

This keyword is used with:

• The commands REPLACE, ADDTO, and LIST
• The ACID types ACID, FDT, and USER
• MISC1(RDT) authority

Examples: SEGMENT Keyword

This example includes a field called $ACCTS in a segment named TAXINFO:

TSS ADDTO(FDT) FDTNAME($ACCTS)
               FDTCODE(1E)
               SEGMENT(TAXINFO)
               MAXLEN(12)
               DISPLAY('SALARY ACCT')

This example finds all field names in the TAXINFO segment:

TSS LIST(FDT) SEGMENT(TAXINFO)