|Internet media type|
|Type of format||Configuration file|
In computing, an INF file or Setup Information file is a plain-text file used by Microsoft Windows for the installation of software and drivers. INF files are most commonly used for installing device drivers for hardware components. Windows includes the IExpress tool for the creation of INF-based installations. INF files form part of the Windows Setup API and of its successor, Windows Installer.
The \windows\inf directory contains several such
The structure of an INF file is very similar to that of an INI file; it contains various sections that specify the files to be copied, changes to the registry, etc. All INF files contain a
[Version] section with a
Signature key–value pair specifying the version of Windows that the INF file is meant for. The signature is commonly
$CHICAGO$ (for Windows 9x) or
$WINDOWS NT$ (for Windows NT/2K/XP). Most of the remaining sections are user-defined and contain information specific to the component being installed.
An example of an INF file might have something like this:
What this would do is open the
example.exe file automatically whenever the media containing the file (in its root directory) is connected to the computer. This can be dangerous, as there is no way to tell whether such a file exists before inserting the media. Since Windows XP, however, this feature has been replaced with a menu forcing the user to choose which action to take.
[autorun] open=example.bat icon=cd.ico
icon=*.ico command replaces any old or default drive icon with the specified one.
[autorun] can be replaced by
Norton, Peter; Mueller, John Paul (28 October 1997). Peter Norton's Complete Guide to Windows XP. Pearson Education (published 1997). ISBN 9780132715386. Retrieved 2014-08-31.
Look in the \WINDOWS\INF directory, and you'll see a set of INF files.
- "How To Auto-Launch Apps With A USB Stick [Windows]". 22 September 2011.