Tandem Logon Manager for IBM Systems (ILOGMGR) Manual
Tandem Logon Manager for IBM Systems (ILOGMGR) Manual—127335 Glossary-1
Glossary
This glossary defines terms used and referred to in this manual. Several definitions have 
been borrowed from the IBM Dictionary of Computing and the IBM VTAM 
Programming Manual.
ACB. See access method control block.
access method control block (ACB). A control block that links an application program to 
VTAM.
BIND command. The Systems Network Architecture (SNA) command that includes 
information necessary to establish a session between two logical units (LUs).
CID. See communication identifier.
comment. In programming languages, a language construct for the inclusion of text in a 
program and having no impact on the execution of the program. Comments are used to 
explain certain aspects of the program.
communication controller. An IBM front-end processor that directs the transmission of data 
over an SNA network.
communication identifier (CID). In VTAM, a key for locating the control blocks that 
represent a session. The key is created during session establishment and deleted when 
the session ends.
control file. A sequential, fixed-record-length data set that controls an ILOGMGR by 
defining the local VTAM APPL name, the appropriate TLOGMGR names, the 
supported Tandem application names, a routing code for error messages, and a request 
timeout value.
control record. A part of the control file that contains specific information about one of the 
following: the local VTAM APPL name, the appropriate TLOGMGR names, the 
supported Tandem application names, a routing code for error messages, or a request 
timeout value.
CTLIN. The data definition name of the data definition statement identifying the control 
statement data set.
data definition name (DDNAME). The name of a data definition (DD) statement that 
corresponds to a data control block that contains the same name.
data definition statement (DD statement). A job control statement describing a data set 
associated with a specific job setup.
DD statement. See data definition statement.
DDNAME. See data definition name.










