---
name: "jtag"
section: "1"
platform: "linux"
package: "urjtag"
version: "2021.03-6"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/jtag"
---

# jtag(1)

UrJTAG command shell

## NAME

jtag - UrJTAG command shell

## SYNOPSIS

**jtag** \[-hinqv\] *file* **...**

## DESCRIPTION

UrJTAG is a software package which enables working with JTAG-aware (IEEE 1149.1) hardware devices (parts) and boards through JTAG adapter.

## OPTIONS

- *-h, --help*

  Display a short help text and exit.

- *-i, --interactive*

  Enter interactive mode after executing commands from files (this is the default if no files are named on the command line).

- *-n, --norc*

  Disable reading ~/.jtag/rc on startup.

- *-q, --quiet*

  Do not print help on startup.

- *-v, --version*

  Display version information and exit.

## ARGUMENTS

If arguments remain after option processing, they are taken as names of files containing JTAG commands, one per line. Unless the *--interactive* option was specified, the program will exit after processing the commands from the file\[s\].

## FILES

*~/.jtag/rc*

-

  A per-user text file containing JTAG commands to execute at startup.

*/usr/share/urjtag*

-

  Data files about various CPUs, flash chips etc.

## BUGS

Bugs are tracked at the project homepage, http://www.urjtag.org.

## SEE ALSO

[**bsdl2jtag**(1)](/bsdl2jtag/1.md)

## AUTHORS

Authors and contributors are listed in the AUTHORS and THANKS files in the source documentation.

## HISTORY

JTAG Tools originally have been developed as part of the openwince project by Marcel Telka. They became an independent project named UrJTAG in late 2007.