---
name: "tune.exfat"
section: "8"
platform: "linux"
package: "exfatprogs"
version: "1.4.3-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/tune.exfat"
---

# tune.exfat(8)

adjust tunable filesystem parameters on an exFAT filesystem

## NAME

tune.exfat - adjust tunable filesystem parameters on an exFAT filesystem

## SYNOPSIS

**tune.exfat** \[ **-l** *print-label* \] \[ **-L** *set-label* \] \[ **-u** *print-guid* \] \[ **-U** *set-guid* \] \[ **-i** *print-serial* \] \[ **-I** *set-serial* \] \[ **-v** \] *device*\
 **tune.exfat -V**

## DESCRIPTION

**tune.exfat** adjust tunable ondisk parameters of an existing exFAT filesystem.

## OPTIONS

- **-l** *print-label*

  Print the volume label of the exFAT filesystem.

- **-L** *set-label*

  Set the volume label of the filesystem to the provided argument.

- **-u** *print-guid*

  Print the volume GUID of the exFAT filesystem.

- **-U** *set-guid*

  Set the volume GUID of the filesystem to the provided argument.

- **-i** *print-serial*

  Print the volume serial of the exFAT filesystem.

- **-I** *set-serial*

  Set the volume serial of the filesystem to the provided argument.

- **-v**

  Prints verbose debugging information while extracting or tuning parameters of the exFAT filesystem.

- **-V**

  Prints the version number and exits.