Listing instances - IBM DB2 9.7 for Linux, UNIX, and Windows

Use the Control Center or the db2ilist command to get a list of instances,

About this task

On DB2® Version 8 or earlier, all the instances on the system are listed.
On DB2 Version 9 or later, only the instances from the DB2 copy where the db2ilist command is invoked from are listed.

To get a list of instances using the Control Center:
1. Expand the object tree until you see the Instances folder.
2. Right-click the Instances folder, and select Add from the pop-up menu.
3. On the Add Instance window, click Refresh.
4. Click the drop-down arrow to see a list of database instances.
To get a list of instances using the command line, enter:db2ilist
To determine which instance applies to the current session (on supported Windows operating systems) use:set db2instance