J-Link Commander

Overview

J-Link Commander (JLink.exe) is a command line based utility that can be used for verifying proper functionality of J-Link as well as for simple analysis of the target system. It supports some simple commands, such as memory dump, halt, step, go etc. to verify the target connection.

Licensing

The J-Link Commander comes as part of the J-Link Software and Documentation Package. The software package is free for any J-Link or J-Trace device and can be downloaded here:

System requirements

Supported OS
Windows	Microsoft Windows (x86/x64)
macOS	macOS (x86/Apple Silicon)
Linux	Linux (x86/x64/Arm)

Latest news

2025

Dec.08

J-Link

SEGGER’s J-Link debug and J-Trace streaming trace probes, as well as its Flasher in-system programmers now support Alif Semiconductor’s E4, E6, and E8 series of fusion processors, which enable generative AI in Edge devices.

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