Mac OS X 10.5: Use the command line utility "dscl" for some functions formerly found in NetInfo Manager
NetInfo Manager is not included with Mac OS X 10.5 Leopard. You can use the command line utility dscl to perform some advanced functions formerly covered by NetInfo Manager. Open Terminal and type "dscl" to access it.
For example, you can use dscl to add or remove users from system groups such as "admin".
For specific details on how to use the dscl command line utility, open Terminal and type: man dscl
Note: Use Directory Utiility to enable the root account or adjust the root password in Mac OS X 10.5.