The System Tools menu of the GNOME and KDE desktops provides access to a set of tools that help you administer your system. The distinction between these tools and the tools provided by the System Settings menu is rather arbitrary. That is, any given tool could as likely have been placed on one menu rather than the other. Generally, items on the System Tools menu perform an action, whereas items on the System Settings menu let you configure a facility. But, exceptions to this rule of thumb abound.
The tools provided by the System Tools menu are:
Provides access to the User Mount Tool, which lets users mount, unmount, and format filesystems
Provides access to the Format a Floppy tool, which formats floppies
Provides access to the Hardware Browser tool, which displays information about system hardware
Provides access to a wizard that assists you in creating new network connections
Provides access to the Kickstart Configurator tool, which lets you specify the parameters for automated installation of Red Hat Linux
Provides access to the Network Device Control tool, which lets you configure and administer network devices and connections
Provides an alert icon resembling a small printer. The icon appears on the panel when one or more print jobs ...