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Write a Linux character device driver v1.0.0

Use this resource to write a character device driver for Linux

New

  • 531 downloads
  • 160 likes
  • 222 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install linux-char-device-driver

With no option, the skill goes to ~/.agents/skills/; add --agent claude-code (or codex, cursor…) to target an agent.

First time: connect the CLI with

npx --yes palatekit@latest login

The agent registers the device with cdev, writes file_operations with copy_to_user and copy_from_user, designs ioctl commands and adds mmap or poll when needed. It also points out frequent mistakes.

Mostly picked by

Updated November 2, 2026

Card for the “Write a Linux character device driver” skill

Details

Works in
Install guides
Generates with
Your agent's model
Licence
MIT

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What you get

  • SKILL.md: cdev registration, file_operations and safe copies
  • SKILL.md: typed ioctl, device memory mmap and poll

Good fit for

  • You expose hardware through /dev/my_device
  • You need to define ioctl commands for a userspace application

Not for

    Tags

    • driver
    • char
    • ioctl
    • linux

    About

    You say

    “Write a char driver with read, write and an ioctl that resets my device's counter.”

    Card for the “Write a Linux character device driver” skill

    Skill published by mohitmishra786 under the MIT license, delivered in its original version.

    Show more

    How to use it

    1. Install the skill in your agent's skills folder
    2. Ask your agent to write a character device driver for Linux
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE1.1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • SKILL.md4.4 KB

    Origin and licence

    Listed unmodified

    Author
    mohitmishra786
    Source
    github.com/mohitmishra786/low-level-dev-skills/tree/bdc58472fa9f309ed1b3f7d985a0d8e9bd8f4608/skills/kernel-dev/writing-char-drivers
    Licence
    MIT

    Notice

    « writing-char-drivers » (mohitmishra786, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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