![]() The QUIT command stops the command line processor, but does not remove the associated back-end process to do that, you need to issue the TERMINATE command. All front-end processes with the same parent are serviced by a single back-end process, and therefore share a single database connection. Each db2 invocation starts a new front-end process the first db2 invocation starts the back-end process. The CLP includes both a front-end process (representing the user interface) and a back-end process to maintain a database connection. The db2 command starts the command line processor. On Windows® operating systems, this is the command line of a CLP-enabled command window in this case, the db2cmd command must be run first (from an ordinary command window) to initialize the Db2 command line environment. On Linux and UNIX®-based systems, this is the command line of a Db2 instance. The CLP accepts commands or SQL statements from a Db2 command line. The Db2 UDB command line processor (CLP) represents an interface through which you can conveniently access Db2 UDB functions.
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