Control blocks

Figure 110 shows the MVS™ TCB structure used by CICS®. Other TCBs are attached under the quasi-reentrant TCB by IBM® DATABASE 2 (DB2®) or IMS™ code, if those products are being used.

Figure 110. MVS TCB structure used by CICS
 This diagram illustrates the MVS TCB structure used by CICS.
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