Share your internet connect - share your Ethernet via WiFi and more with Leopard.
An introduction to the Sharing pane - enable various services and share files to other computers
How to Open the System Preferences in Mac OS X Leopard
Change the name for your computer
Connect to a network printer on your Mac.
Allow Apple Remote Desktop administrators to connect to your computer and what they can do
Enable remote SSH login - Securely access your computer remotely
Enable Screen Sharing, allow other Leopard users to connect to your computer from other computer's over the network
Enable Web sharing, publish a website right from your own computer on Mac OSX.
Enable Xgrid sharing - allow your computer to participate in distributed computing
See how to share your files over your network to other computers.
Share your files over your network to Windows computers
Share a printer to other devices over your network. (Mac)