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QNX Software Development Platform
QNX SDP is a cross-compiling and debugging environment, including an IDE and command-line tools, for building binary images and programs for target boards running the QNX OS 8.0.
Utilities & Libraries
Utilities Reference
D

QNX Momentics IDE User's Guide
This User's Guide describes version 8.0 of the Integrated Development Environment (IDE) that's part of the QNX Tool Suite.
QNX Software Development Platform
QNX SDP is a cross-compiling and debugging environment, including an IDE and command-line tools, for building binary images and programs for target boards running the QNX OS 8.0.
- Quickstart Guide
- System Architecture
  The System Architecture guide accompanies the QNX OS and is intended for both application developers and end-users.
- OS Components & Operations
- Graphics
- Programming
- System Security Guide
  The QNX System Security Guide is intended for both system integrators who are responsible for the security of a QNX OS system and developers who want to create a QNX OS resource manager free from vulnerabilities.
- Utilities & Libraries
  - C Library Reference
  - Devctl and Ioctl Commands
  - JSON Library Reference
  - PAM Reference
  - QNX Helpers Developer's Guide
    These libraries provide QNX helpers, including helpers that assist with logging, string conversion, and number and type sizes.
  - SPI Framework Technote
  - QNX Cryptography Library
    The QNX Cryptography Library (qcrypto) is a flexible cryptography framework that allows you to choose which cryptography provider responds to requests on a per-process basis.
  - QNX devcrypto Service
  - Utilities Reference
    - Utility Conventions
    - A
    - B
    - C
    - D
      - date (host)
        Display or set the date and time (POSIX)
      - date (target)
        Display or set the date and time (POSIX, toybox)
      - D-Bus
        Implement a message bus system that passes data between processes.
      - dcheck
        Check a disk for bad blocks (QNX OS)
      - dd
        Convert a file while copying it (POSIX, toybox)
      - devb-ahci
        Driver for AHCI SATA interfaces (QNX OS)
      - devb-cnd
        Condensed media image block device driver (QNX OS)
      - devb-eide
        Driver for ATA/IDE disk interface and ATAPI CD-ROM interface (QNX OS)
      - devb-loopback
        Pseudo block driver
      - devb-nvme
        Driver for SSD devices that support NVMe (Non-Volatile Memory Express)
      - devb-ram
        Driver for RAM disk interface (QNX OS)
      - devb-sdmmc-*
        Generic information for SDHI memory card, MMC, and eMMC drivers
      - devb-ufs
        Driver for UFS interface
      - devb-umass
        Driver for USB Mass Storage interface
      - devb-ustor
        Driver for USB-based storage device
      - devb-virtio
        Driver for VirtIO block device, which emulates disks
      - devc-con, devc-con-hid
        Simple VGA console and keyboard I/O manager (QNX OS)
      - devc-pty
        Pseudo-tty communications manager (QNX OS)
      - devc-*, devc-ser* options
        Generic options for serial drivers (QNX OS)
      - devc-ser8250
        8250 serial communications manager (QNX OS)
      - devc-serpci
        Driver for serial PCIs
      - devc-serusb
        Driver for USB-to-serial adaptors and USB CDC ACM devices
      - devc-serusb_dcd
        Driver for USB-to-serial adaptors
      - devc-virtio
        Driver for VirtIO console device, which provides data input and output
      - devctl
        Device control utility for io-sock
      - devcrypto
        Access cryptographic accelerators
      - devf-ram
        Simulate flash filesystem using RAM memory
      - devh-ps2ser.so
        Driver for serial and PS2 human interface devices (HID)
      - devh-usb.so
        Driver for USB-compliant Human Interface Device (HID) devices
      - devi-hid
        HID input manager
      - devinfo
        Print information about io-sock device configuration
      - devr-file.so
        Random service entropy library for path-based entropy sources
      - devr-virtio.so
        Random service entropy library for a Virtio RNG (random number generator)
      - devs-axe.so
        Driver for ASIX Electronics AX88x7x/760 USB Ethernet devices
      - devs-axge.so
        Driver for ASIX Electronics AX88178A/AX88179 USB Gigabit Ethernet devices
      - devs-cdce.so
        Driver for USB communication device class Ethernet devices
      - devs-cgem.so
        Driver for Cadence Gigabit Ethernet MAC (GEM) controller
      - devs-cpsw-processor.so
        Driver for Texas Instruments Common Platform Ethernet Switch (CPSW) J7/AM62 devices
      - devs-dwc.so
        Driver for DWC Gigabit Ethernet Controller
      - devs-dwceqos.so
        Driver for the Synopsys DWC Ethernet-Quality-of-Service (QoS) MAC controller
      - devs-em.so
        Driver for Intel PRO/1000 Gigabit Ethernet adapters
      - devs-ffec.so
        Driver for Freescale Fast Ethernet Controller
      - devs-genet.so
        Driver for Raspberry Pi 4 Gigabit Ethernet devices
      - devs-igc.so
        Driver for Intel Ethernet Controller I225
      - devs-ix.so
        Driver for Intel 10Gb Ethernet devices
      - devs-ixl.so
        Driver for Intel Ethernet 700 Series devices
      - devs-qwdi_syn_dhd_pcie-version.so
        Driver for Synaptics DHD PCIE-based WLAN devices
      - devs-re.so
        Driver for RealTek 8139C+/8169/816xS/811xS/8168/810xE/8111 PCI/PCIe Ethernet adapters
      - devs-rt.so
        Driver for RealTek 8125/8126 PCI/PCIe Ethernet adapters
      - devs-smsc.so
        Driver for USB SMSC LAN9xxx Fast Ethernet devices
      - devs-ure.so
        Driver for RealTek RTL8152/RTL8153/RTL8153B/RTL8156/RTL8156B USB to Ethernet controllers
      - devs-urndis.so
        Driver for USB RNDIS-Ethernet devices
      - devs-vmx.so
        Driver for the VMware VMXNET3 Ethernet virtual network adapter
      - devs-vtnet_mmio.so
        Driver for VirtIO MMIO Ethernet devices
      - devs-vtnet_pci.so
        Driver for VirtIO PCI Ethernet devices
      - devu-hcd-ehci.so
        Driver for Enhanced Host Controller Interface (EHCI) USB controllers
      - devu-hcd-ohci.so
        Driver for Open Host Controller Interface (OHCI) USB controllers
      - devu-hcd-uhci.so
        Driver for Universal Host Controller Interface (UHCI) USB controllers
      - devu-hcd-xhci.so
        Driver for eXtensible Host Controller Interface (xHCI) USB controllers
      - devu-umass_client-block
        Function driver for USB mass storage devices
      - df
        Report free disk space (POSIX)
      - dhcpcd
        Dynamic Host Configuration Protocol client
      - dhcpcd.conf
        Dynamic Host Configuration Protocol client (dhcpcd) configuration file
      - dhcpcd-run-hooks
        DHCP client configuration script
      - diff
        Compare two files, line by line (POSIX, toybox)
      - dirname (host)
        Return the directory portion of a pathname (POSIX)
      - dirname (target)
        Return the directory portion of a pathname (POSIX, toybox)
      - diskimage
        Create an image for a partitioned medium, such as a hard drive, SD card, or MMC
      - diskimage configuration file
        Configuration file for diskimage
      - dloader
        Write a boot loader to a disk on an x86 system
      - dns-sd
        Multicast DNS (mDNS) and DNS Service Discovery (DNS-SD) test tool
      - dos2unix
        Convert newline format from DOS to UNIX (POSIX, toybox)
      - du
        Estimate disk space usage (POSIX, toybox)
      - dumpefs
        Dump an embedded filesystem
      - dumper
        Dump the postmortem state of a program (QNX)
      - dumpifs
        Dump an image filesystem
      - dvfs_client
        Client for interacting with a Dynamic Voltage Frequency Scaling driver
      - dvfsmgr-*
        Dynamic Voltage Frequency Scaling driver
    - E
    - F
    - G
    - H
    - I
    - J
    - K
    - L
    - M
    - N
    - O
    - P
    - Q
    - R
    - S
    - T
    - U
    - V
    - W
    - X
    - Y
    - Z
    - Commonly Used Environment Variables
    - Selecting the Target System
    - Glossary
  - WPA Control Interface Reference
    This document provides a reference for the Wi-Fi Protected Access (WPA) control interface, which provides a C API for the WPA/IEEE 802.11i protocols in Wi-Fi client stations. Application developers who want to control WPA operations and get associated status and event data should read this reference.
- Migrating to QNX OS 8.0
QNX Software in the Cloud
QNX Software in the Cloud enables developers to use the QNX OS in the Amazon cloud environment.
QNX Toolkit for Visual Studio Code
This User's Guide describes the QNX^® Toolkit for Visual Studio Code. The guide introduces you to the QNX Toolkit by explaining the QNX development environment and how to build, run, and debug your QNX^® Operating System (OS) applications and systems.
QNX Hypervisor User's Guide
This User's Guide explains the QNX hypervisor architecture and provides instructions for installing and running a QNX Hypervisor system, changing system components and configuration, and using hypervisor features such as virtual devices (vdevs).
Typographical Conventions, Support, and Licensing
This section describes the typographical conventions used throughout the documentation, explains how to obtain technical support, and provides some information about licensing.

D

QNX SDP8.0Utilities ReferenceUtilities

The QNX OS resource managers and utilities are described here in alphabetical order.

A ¦ B ¦ C ¦ D ¦ E ¦ F ¦ G ¦ H ¦ I ¦ J ¦ K ¦ L ¦ M ¦ N ¦ O ¦ P ¦ Q ¦ R ¦ S ¦ T ¦ U ¦ V ¦ W ¦ X ¦ Y ¦ Z

The following are described elsewhere:


For information about:	See:
dtach	Not a QNX utility; documentation is available on various internet sites.
dvtm	Not a QNX utility; documentation is available on various internet sites.

This chapter describes the utilities, etc. whose names start with D.

Page updated: August 11, 2025