The DO file is primarily associated with Oracle Application Server by Oracle Corporation. The .do extension is strictly for JavaServer Pages using the struts framework. It tells the Application Server to find a config file which calls the proper action class to process the form.
Do file format is used to generate dynamic Web pages. Content of DO files can edit a JSP web developer. Results can be viewed by common web browser.
DO file also refers to:
1 Digital Line Graph optional vector data - The DO file is a Digital Line Graph (DLG) file which is digital vector data representing cartographic information. DLGs contain a wide variety of information depicting geographic features (for example, hypsography, hydrography, boundaries, roads, utility lines, etc).
2 Stata batch analysis file - The DO file is analysis file used by Stata, a complete, integrated statistical package that provides everything you need for data analysis, data management, and graphics.