---
name: "lightdm"
section: "1"
platform: "linux"
package: "lightdm"
version: "1:1.33.1-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/lightdm"
---

# lightdm(1)

a display manager

## NAME

lightdm - a display manager

## SYNOPSIS

**lightdm** \[ *OPTION* \]

## DESCRIPTION

**lightdm** is a display manager.

## OPTIONS

- **-h, --help**

  Show help options

- **-c, --config=FILE**

  Use configuration file

- **-d, --debug**

  Print debugging messages

- **--test-mode**

  Run as unprivileged user, skipping things that require root access

- **--pid-file=FILE**

  File to write PID into

- **--xsessions-dir=DIRECTORY**

  Directory to load X sessions from

- **--xgreeters-dir=DIRECTORY**

  Directory to load X greeters from

- **--log-dir=DIRECTORY**

  Directory to write logs to

- **--run-dir=DIRECTORY**

  Directory to store running state

- **--cache-dir=DIRECTORY**

  Directory to cached information

- **-v, --version**

  Show release version

## FILES

- **/etc/lightdm/lightdm.conf**

  Configuration

- **/etc/lightdm/users.conf**

  User list configuration (if not using Accounts Service)

- **/etc/lightdm/keys.conf**

  XDMCP keys

## SEE ALSO

[**dm-tool**(1)](/dm-tool/1.md)