User ID

ASCH
The user ID of the user requesting the APPC/MVS service.
CB
The user ID of the user requesting the WebSphere Application Server service.
CICS®
The user ID specified at LOGON time, which is the RACF® (or other access control facility) defined resource. For more information about CICS user IDs, see CICS/ESA CICS-RACF Security Guide.
DB2®
The user ID associated with the originator of the query; for example, the user ID from TSO, JES, or DDF.
DDF
The DDF server thread's primary AUTHID, after inbound name translation.
IMS™
The user ID specified at LOGON time, which is the RACF (or other access control facility) defined resource.
IWEB
The user ID of the web server address space (not the original requestor's user ID). Note that because this user ID will generally be the same for all transactions, using this qualifier for IWEB work will have limited usefulness.
JES
The user ID specified on the JOB statement on the RACF USER keyword.
MQ
The first 8 bytes of the 12-byte message header field MQMD_USERIDENTIFIER.
NETV
The NetView® subtask ID. For NetView OST and NNT subtasks this is the NetView operator ID. For more information, see Tivoli® NetView User's Guide. For AOST (automation subtasks) this is the NetView operator ID on the AUTOTASK command that started the AOST. For more information, see Tivoli NetView Command Reference. For NetView DST and OPT subtasks this is the taskname on the NetView TASK statement. For more information, see the Tivoli NetView Administration Reference. The MNT subtask ID is MNT. The PPT subtask ID is the NetView domain ID concatenated with the characters "PPT". The HCT subtask ID is the same as its LU name which is specified on the HARDCOPY statement. For more information, see Tivoli NetView Administration Reference.
OMVS
The RACF user ID associated with the address space. This user ID is either inherited from the parent process or assigned by a daemon process (for example, the rlogin or telnet daemon). For more information about z/OS® UNIX System Services user IDs, see z/OS UNIX System Services Planning.
SOM
The user ID of the user requesting the SOM service.
STC
The user ID assigned to the started task by RACF (or other access control facility).
TSO
The user ID specified at LOGON time, which is the RACF (or other access control facility) defined user profile.