INTERVIEW QUESTIONS MAINFRAME CICS DETAILS

Question: What is the difference between the XCTL and LINK commands?

Answer: The LINK command anticipates return of control to the calling program, the XCTL command does not. Return to the calling program will be the result of the CICS RETURN command, specifying TRANSID(name of the calling program).

The LINK command anticipates return of control to the calling program, the XCTL command does not. Return to the calling program will be the result of the CICS RETURN command, specifying TRANSID(name of the calling program). Source: CoolInterview.com

Link is temporary transfer of control. Xctl is permanent transfer of control Source: CoolInterview.com

XCTL : This command passes the control to the same level.Control does not return back after this command is executed.
Syntax:
EXEC CICS XCTL
PROGRAM(PGMNAME)
COMMAREA(DATA-NAME)
END-EXEC.

LINK: link transfers the control to the next lower level.Link command also expects the control to return back.
Syntax is same use link in place of XCTL. Source: CoolInterview.com

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