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System Syntax

Many debugger commands have process identifiers as their parameters.

Two vertical bars ( || ) appear before the system identifier. The system identifier can be one of the following values.

System identifier Description

||.

The current system

||#

The system that caused the current exception or debug event.

||*

All systems.

||ddd

The system whose ordinal is ddd.

Systems are assigned ordinals in the order that the debugger attaches to them.

When debugging begins, the current system is the one that caused the present exception or debug event (or the one that the debugger most recently attached to). That system remains the current system until you specify a new one by using a ||s (Set Current System) command or by using the Processes and Threads window in WinDbg.

Example

This example shows three dump files are loaded. System 1 is active and system 2 caused the debug event.

||1:1:017> ||
   0 User mini dump: c:\notepad.dmp
.  1 User mini dump: c:\paint.dmp
#  2 User mini dump: c:\calc.dmp

Remarks

To work with multiple systems, you can use the .opendump to debug multiple crash dumps at the same time. For more information about how to control a multiple-target session, see Debugging Multiple Targets.

Note There are complications, when you debug live targets and dump targets together, because commands behave differently for each type of debugging. For example, if you use the g (Go) command when the current system is a dump file, the debugger begins executing, but you cannot break back into the debugger, because the break command is not recognized as valid for dump file debugging.