DB2 10.5 for Linux, UNIX, and Windows

db2system - Name of the DB2 server system configuration parameter

This parameter specifies the name that is used by your users and database administrators to identify the DB2® server system.

Configuration type: DB2 Administration Server
Applies to: DB2 Administration Server
Parameter type: Configurable Online
Default [range]: TCP/IP host name [any valid system name ]

If possible, this name should be unique within your network.

This name aids users in identifying the system that contains the database they want to access. A value for db2system is set at installation time as follows:

On Windows, the setup program sets it equal to the computer name specified for the Windows system.
On UNIX systems, it is set equal to the UNIX system's TCP/IP hostname.