วันพุธที่ 31 กรกฎาคม พ.ศ. 2556

free deleted file recovery software


free deleted file recovery software


Professional Data Recovery Software
Recover Lost Data in 3 Steps


Losing important data is usually a nightmare. However, by using simple instructions you can easily recover deleted files and even entire filesystems. This article can be a step-by-step help guide to recovering lost data utilizing an open-source data mining tool called PhotoRec.
Whether you accidentally delete files out of your hard drive or lose data as a result of disk crashes, it may well you need to be your worst nightmare in case you have lost important data. One way to extract your data is to give the hard disk drive on the manufacturer, pay a significant amount and get the information recovered. Another way is always to simply recover the files yourself. In this article, we are going to show you using a straightforward tool to recuperate deleted files. We will use the Linux command line with an open-source software called PhotoRec.
Linux filesystems store data as data blocks. Generally details are saved in a continguous approach to minimize data fragmentation and increase access times. Therefore, whenever you delete personal files in the hard disk (or any storage media for that matter), the file metadata is lost but the information itself is still present (the info blocks are only marked as designed for writing). The data will continue to be on the filesystem so long as it is not overwritten by new data. Software like PhotoRec can retreive this data, even with the filesystem has become formatted. This is known as data carving.
Therefore, the very first rule is when you desire deleted files to be recovered from the filesystem, usually do not write anymore data towards the filesystem. This maximizes the risk of accurate data retrieval.
PhotoRec is definitely a powerful command line tool that was initially designed to recover picture files. However, PhotoRec supports 390 file formats, like the most widely used formats. A list of every one of the formats PhotoRec supports currently is listed at It is really a area of the testdisk package and is also licensed underneath the GNU GPLv2. It is cross platform and is also readily available for Windows, Linux and Mac systems. Here, we shall pay attention to using PhotoRec on Linux.
PhotoRec can be acquired from If you are using Ubuntu, you can just install PhotoRec by opening a terminal and typing:
sudo apt-get install testdisk
You will need administrator privileges just for this.
Now that you've installed PhotoRec, let's start. Open the terminal and run PhotoRec simply by typing:
sudo testdisk
You will discover something like this.

All the disposable media are listed by PhotoRec. Select the media from where you would like to recuperate the files from.


Next, PhotoRec asks to the partition table type. If you happen to be unsure concerning this, go along with the default option.

You are then asked to pick the partition from where you need to recoup your lost files. Before proceeding, be sure you have a look at 'Options' and 'File Opt'.



If you desire to recuperate more fragmented files, let the brute force option. However, this takes more hours and it is CPU intensive.

Next, go towards the 'File Opt' and choose the file types you need to recoup. Not it will make PhotoRec recover files of most types.
After you're done, just press alongside move ahead.



You are then asked to find the partition type. Most modern Linux system use ext4 partitons whereas older systems might use ext2 or ext3. Other partition types like FAT, NTFS, ReiserFS, etc are also supported.


The second step is vital.
If you have a corrupt filesystem and would want to extract files from your entire filesystem, pick the 'Whole' option. If you would like to recuperate the few files which have been deleted, choose the 'Free' option.

Now, pick the location where you would like to save the recovered files and press 'Y' for yes. Do not tend to write the files towards the same partition these folks were stored on.

That's it! Just sit back and relax while PhotoRec recovers the files for you.

All images happen to be provided by the writer.




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