RUL file is an InstallShield Install Script. InstallShield makes designing your installation easy with InstallScript, a simple but powerful programming language. InstallScript is similar to the C language. It has a defined format and regulated syntax. It uses certain data types, each with specific properties. It also allows you to create custom functions.

Application, associated with .rul files

	Microsoft Visual Studio by Microsoft Corporation Microsoft Visual Studio is an integrated development environment (IDE) from Microsoft. It can be used to develop console and graphical user interface applications along with Windows Forms applications, web sites, web applications, and web services in both native code together with managed code.
	Notepad by Microsoft Corporation Notepad is a simple text editor for Microsoft Windows. It has been included in all versions of Microsoft Windows.

.ruel

.ruleset