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translated/How to Wipe Free Disk Space in Linux.md
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![](http://i1-news.softpedia-static.com/images/news2/How-to-Wipe-Free-Disk-Space-in-Linux-429965-2.jpg)
**The following tutorial will teach all Linux users how to securely wipe the free space of a hard disk drive (HDD), solid disk drive (SSD) or USB flash drive, making it impossible for anyone to recover deleted files. **
**下面的教程将教会所有的 Linux 用户关于如何安全的擦除可用的硬盘驱动器（HDD）、固态硬盘驱动器（SSD）以及 USB 闪存驱动器空间，以使任何人都不能恢复被删除的文件。**
In case you didn’t know, when you delete a file from your system, even from Trash, it will disappear and can’t be found anywhere on the filesystem. However, that file is not actually gone, it resides in the free space of your disk drive and can still be recovered with data recovery applications.
是否有注意到，当你从系统中删除了一个文件，也可以是从回收站中删除，它就会在文件系统中消失，但是，该文件实际上并未消失，它驻留在你的磁盘驱动器的可用空间中，仍然可以用数据恢复应用程序恢复回来。
For this tutorial we will provide two methods. The first one uses an application called Wipe Free Space, created by Polish developer Bogdan Drozdowski. In the second method we will use the well known BleachBit software.
这篇教程会提供两种方法。第一种是使用一款名叫 Wipe Free Space 的应用程序，它是由波兰开发者 Bogdan Drozdowski 开发的。第二种方法会使用众所周知的 BleachBit 软件。
While BleachBit is a graphical application, the Wipe Free Space is a command-line software. However, the developer also created an easy-to-use graphical user interface (GUI), allowing novice users to employ it in order to securely wipe the free space of their disk drives.
虽然 BleachBit 是一款图形应用程序，Wipe Free Spac 是一款命令行软件，但开发者也提供了易用的图形用户界面（GUI），即使初级用户也可以容易使用，用来安全的擦除他们磁盘的可用空间。
> Editor's note: Before we proceed, it is important to know that the applications will wipe the free space in unused clusters and blocks, in partially used blocks a.k.a. “slack space," as well as the names of deleted files and any other data that can be used to undelete the respective files.
> 选编者注：在继续往下之前，最好知道应用程序会擦除未被使用的簇和块上的可用空间，也会擦除使用过的块上的所谓“闲置空间”，即删除文件和其他任意数据后可以做相应的文件恢复的空间。
### Method 1 - Wipe Free Space & Wipe Free Space GUI ###
### 方法 1 - Wipe Free Space & Wipe Free Space GUI ###
The Wipe Free Space command-line application can be easily installed from the default software repositories of your Linux distribution, by using the provided binary file for RPM-based Linux distribution or by compiling the sources.
从你的 Linux 发布版本的默认软件源仓库中可以很容易的就安装上 Wipe Free Space 命令行应用程序。可以使用基于 RPM 的 Linux 发行版二进制包，也可以直接用源代码来编译安装。
After installation, you can download the GUI front-end from [here][1], save it on your home folder, extract it, and double click the run.sh file (or execute sh run.sh in a terminal window) to open the application.
安装完成后，可以从[这儿][1]下载图形用户界面前端程序，保存在 home 目录下，解压缩，然后双击 run.sh （或者在终端窗口下执行 sh run.sh 命令）文件就可以打开。
With the application opened, you will need to add the path to the wipefreespace executable, so click the "Browse" button and search it under /usr/bin/. Then add the filesystem that will be wiped.
应用程序打开后，你需要把到 wipefreespace 目录的可执行文件路径添加进来，所以点击“浏览”按钮，到 /usr/bin/ 下查找。然后添加要被擦除的文件系统。
Make sure that you check the "Wipe only with zeros" option on the left side of the window. If you need to add more options, first document yourself on how to use them, because they may crash your drive. Now press the "Start wiping" button to proceed.
确保已经勾选了窗口左边的 "Wipe only with zeros" 选项。如果你需要勾选更多的选项，首先请查看手册来了解怎么使用，因为他们可能会使你的驱动器崩溃。现在，请点击“开始擦除”按钮开始执行。
### Method 2 - BleachBit ###
### 方法 2 - BleachBit ###
This is the easy method, recommended for novice users. You can easily install the BleachBit application from your Linux distribution's default software repositories. Open it, and make sure that you check the "Free disk space" option under the System section on the sidebar. Press the "Clean" button to proceed.
是最容易的方法，建议初级用户使用。从你的 Linux 发布版本的默认软件源仓库中很容易的就可以安装 BleachBit 应用程序。打开它，请确保您在侧边栏上的系统部分选中“可用磁盘空间”选项。点击“清除”按钮开始执行。
![](http://i1-news.softpedia-static.com/images/news2/How-to-Wipe-Free-Disk-Space-in-Linux-429965-3.jpg)
*The Free disk space option of BleachBit*
*BleachBit 的可用空间选项*
The entire wiping operation will take a long time. You can see the entire progress in the main window. Do not hesitate to drop a comment below if you encounter any issues with this tutorial.
整个擦除操作会进行很长时间。在主窗口上你可以看到详细的进度。如果你在这篇教程中遇到问题，别犹豫，在下面做评论。
Wipe Free Space GUI 0.5 Download:
Wipe Free Space GUI 0.5 下载:
- [Wipe Free Space GUI 0.5 tar.gz][2][binary] [210 KB]
- [Wipe Free Space GUI 0.5 tar.gz][3][sources] [380 KB]