Description: This manual documents what a programmer needs to know in order to write a module that conforms to the Linux-PAM standard.It also discusses some security issues from the point of view of the module programmer.

The Linux-PAM Module Writers' Guide
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# The Linux-PAM Module Writers' Guide

### Andrew G. Morgan

`<morgan@kernel.org>`

### Thorsten Kukuk

`<kukuk@thkukuk.de>`

Version 1.7.2, January 2026

Abstract

This manual documents what a programmer needs to know in order to write a module that conforms to the Linux-PAM standard.It also discusses some security issues from the point of view of the module programmer.

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|  | Chapter 1. Introduction