Regardless of which network operating system you choose for your network server, you can use any of several common ways to actually installt :OS software o the server computer. The following section describes these alternatives
Full Install Versus Upgrade
* One of the basic NOS (Network Operating System) installation choices is whether you want to perform a full installation or an upgrade installation. In some cases, you may be better off performing a full installation even if you're installing the NOS on a computer that already has an earlier version of the NOS installed.
* If you are installing NOS on a brand-new server, you will be performing a full installation that installs the operating system and configures it with default settings.
* You can not upgrade a client version of Windows to a server version. Instead you perform a full installation, which deletes the existing Windows operating system, or a multiboot installation, which leaves the existing client Windows intact. Either way, however, you can preserve existing data on the Windows computers when you install the server version.
* If you installing the NOS on the server computer that already had a server operating system installed. You can perform an upgrade installation that replaces the existing operating system with the new one but retains as many of the settings from the existing operating system as possible.
* You Cqn also perform a full installation on the computer that already has the operating system installed. In that case you have the option of deleting the existing operating system or performing a multi boot installation that installs the new server operating system alongside the existing operating system. Then, when you restart the system, you can choose which operating system you want to run.