# Using the Derby tools with the Network Server

The Derby tools `ij` and `dblook` work in embedded mode and client/server mode.

- Using the Derby ij tool with the Network Server
- Using the Derby dblook tool with the Network Server

Parent topic: Using the Network Server with preexisting Derby applications
Related concepts
The Network Server and JVMs
Accessing the Network Server by using the network client driver
Accessing the Network Server by using a DataSource
XA and the Network Server
Differences between running Derby in embedded mode and using the Network Server
Related tasks
Installing required jar files and adding them to the classpath
Starting the Network Server
Shutting down the Network Server
Obtaining system information
Setting port numbers