About the QNX Neutrino User's Guide

The QNX Neutrino User's Guide is intended for all users of a QNX Neutrino RTOS system, from system administrators to end users.

This guide tells you how to:

This User's Guide is intended for programmers who develop QNX Neutrino-based applications, as well as OEMs and other “resellers” of the OS, who may want to pass this guide on to their end users as a way to provide documentation for the OS component of their product.


The following table may help you find information quickly:

To find out about: Go to:
How QNX Neutrino compares to other operating systems Getting to Know the OS
Starting and ending a session, and turning off a QNX Neutrino system Logging In, Logging Out, and Shutting Down
Adding users to the system, managing passwords, etc. Managing User Accounts
The basics of using the keyboard, command line, and shell (command interpreter) Using the Command Line
Files, directories, and permissions Working with Files
How to edit files Using Editors
Customizing your shell, setting the time, etc. Configuring Your Environment
Creating your own commands Writing Shell Scripts
The filesystems that QNX Neutrino supports Working with Filesystems
Accessing other machines with QNX Neutrino's native networking Using Qnet for Transparent Distributed Processing
Setting up TCP/IP TCP/IP Networking
Backing up and restoring your files Backing Up and Recovering Data
Making your QNX Neutrino system more secure Securing Your System
Analyzing and improving your machine's performance Fine-Tuning Your System
How many processes, files, etc. your system can support Understanding System Limits
How to get help Technical Support
Samples of buildfiles, profiles, etc. Examples
Terms used in this document Glossary

For information about programming in QNX Neutrino, see Getting Started with QNX Neutrino and the QNX Neutrino Programmer's Guide.