---
title: "F3 (Linux)"
---

{% include toc title="Table of Contents" %}

### Required Reading

This is an add-on section for checking your SD card for errors using F3.

取决于你的 SD 卡的容量大小和电脑的速度，这个过程可能耗时达几个小时！

本节教程仅限Linux用户。 如果你不是 Linux 用户，请查阅 [H2testw (windows)](h2testw-(windows)) 或 [F3X (mac)](f3x-(mac)) 页面。

### What You Need

* The latest version of [F3](https://github.com/AltraMayor/f3/releases/latest)

### Instructions

1. 将 f3.zip 文件解压
1. cd 到 f3 目录
1. 运行 `make` 命令以编译 F3
1. 将你的 SD 卡插入到您的计算机
1. 挂载您的 SD 卡
1. 运行 `./ f3write <your sd card mount point>`
1. 等待，直到该过程已完成。 有关详情，请参阅下面的示例输出。

~~~ bash
$ ./f3write /media/michel/6135-3363/
Free space: 29.71 GB
Creating file 1.h2w ... OK!
...
Creating file 30.h2w ... OK!
Free space: 0.00 Byte
Average Writing speed: 4.90 MB/s
~~~

1. 运行 `./ f3write <your sd card mount point>`
1. Wait until the process is complete. See below for an example output.

~~~ bash
$ ./f3read /media/michel/6135-3363/
									SECTORS      ok/corrupted/changed/overwritten
Validating file 1.h2w ... 2097152/        0/      0/      0
...
Validating file 30.h2w ... 1491904/        0/      0/      0

	Data OK: 29.71 GB (62309312 sectors)
Data LOST: 0.00 Byte (0 sectors)
					Corrupted: 0.00 Byte (0 sectors)
	Slightly changed: 0.00 Byte (0 sectors)
				Overwritten: 0.00 Byte (0 sectors)
Average Reading speed: 9.42 MB/s
~~~

___

If the test shows the result `Data LOST: 0.00 Byte (0 sectors)` your SD card is good and you can delete all `.h2w` files on your SD card
{: .notice--success}

如果测试显示任何其他结果，您的 SD 卡可能已经出错或损坏，您可能需要更换它 ！
{: .notice--danger}

### Return to [Get Started](get-started)
{: .notice--primary}