Q-R

quiet installation

Also known as unattended installation. An installation run by using the /q command-line option that runs without generating any user prompts.

remote procedure call (RPC)

In programming, a request by one program to a second program on a remote system. The second program generally performs a task and returns the results of that task to the first program. For example, Outlook uses remote procedure calls to communicate with Microsoft Exchange Server.

right

File- and folder-level permissions that allow access to a Web site.

roaming user

User who uses more than one computer on a regular basis. Works at multiple sites using multiple computers.

roaming user profiles

Account information established for roaming users, usually within a given domain of a network. Automatically configures the computer when the user logs on.

rollback

A method used by Windows Installer to recover from a failed install. Similar to the rollback definition used in SQL. Consists of storing files, folders, and registry settings marked for deletion in a hidden temporary folder. If a serious error is encountered during the installation of new software, the files, folders, and registry settings are returned to their previous settings (as if the attempted installation never happened).