System Tasks Summary

Contents
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Contents
DC/UCF provides several system tasks for your use. For example, the SIGNON task that allows you to sign on to the DC system is a system task. DCUF and DCMT are also system tasks. The following sections describe each system task grouped by function.
Signon/Signoff Functions
The following table contains the system tasks that are used to perform signon and signoff functions:
System task
Description
BYE
Signs you off and terminates your connection with DC/UCF.
SIGNOFF
Signs you off from DC/UCF but maintains your connection with DC/UCF.
SIGNON
Signs you on to the DC/UCF system.
SUSPEND
Terminates UCF dedicated mode but maintains your connection with the UCF back end.
User Functions
The following table contains the system tasks that are used to perform user functions:
System task
Description
CLIST
Executes a module of task statements stored in the data dictionary.
DCMT
Allows you to monitor the status of the DC/UCF system and to update certain system definitions at runtime.
DCUF
Provides user functions that allow you to control various aspects of a DC/UCF terminal session.
SEND
Transmits a user-supplied message to users at other DC/UCF terminals.
SHOWMAP
Loads and displays the layout of an existing map (defined by using the DC/UCF mapping facility).
System Maintenance Functions
The following table contains the system tasks that are used to perform system maintenance functions:
System task
Description
CLOD
Clears logically deleted load modules from load area (DDLDCLOD) of the specified data dictionary.
DCPROFIL
Displays system information such as some installation options, some system resource usage, system exits used, CA ADS and CA OLQ configurations, and the optional APARs currently applied.
LOCKMON
Displays the current status of locks held for areas and terminals.
LOOK
Lets you look at miscellaneous run-time information.
OLP
Online PLOG. Displays the current log (when the log is assigned to the data dictionary DDLDCLOG area.)
OPER
Monitors system activity such as active tasks or storage pool usage.
QUED
Shows active queues from the queue area (DDLDCRUN) of the data dictionary and optionally erases expired queues.
SDEL
Erases security definitions associated with logically deleted users.