How to Permanently Delete Files from Hard Disk ?
Permanent Wipe of Hard Disk Data
- Generally, if you delete any files in your computer, means it will delete and store in recycle bin.
- Later, we can recover deleted files anytime by the option restore. If you want to remove the files permanently, then you can remove the files.
- Sometime we can recover the deleted data using some software. There is an option, not to recover the data. Because We can recover the deleted data. Here, we see about the options for non-recoverable wiping.
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Data Wiping Softwares
- DBAN (Darik’s Boot And Nuke)
- CBL Data Shredder
- PCDiskEraser
- KillDisk
- Macrorit
Hard Disk Basics
- Normally, Hard disk have the four drives (C:) (D:) (E:) (F:).
- The C Drive is the Primary DSO (Disk Operating System) Drive which is used for on the computer, the c drive has the needed files for the computer and master boot record.
- The other D, E, F drives for store photo, video, audio files. We can also store the files in c drive. Always make spaces for c drive, the spaces needed for virtual memory.
- If the more storage space available in c drive, then it means your computer works speeder. If the less storage space in c drive, means your computer works slower.
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- Your hard disk has partition by Drive C, D, or E. The C drive is directory->subdirectory->files->data.
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- The C drive is the main drive of root directory and others are the sub-directory. This is the file system structure.
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How to Find File System Type ?
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- Right click on the drive and go to properties.
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NTFS File System
- These file systems have Name, Extension, Attributes, Security, Main Stream, Alternate Stream. Many people can access the data on same time. This is the old file system.
FAT File System
- These file System have name, extension, Attributes, Data. Small modification for advanced one.
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NTFS Vs FAT
| NTFS | FAT |
|---|---|
| NTFS stands for ‘New Technology File System’. | FAT is an acronym for ‘File allocation Table’. |
| It provides complete security to files and folders in the system. |
There is no security of files and folders in the system. |
| In case of any failure, the files and folders can be easily restored. |
In case of any failure, the files and folders are not recovered or restored. |
| It supports flexible per file compression. | No such compression is supported. |
| File Size is 4GB to 64 GB | File Size is 4GB Max |
| It only allows accessing on the recognized platforms, on a running computer. |
It allows the accessing of files when the computer running on other or different platforms. |
| It does not allow sharing data between the operating systems. |
It allows sharing data between the operating systems. |
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Permanent Wipe of Hard Disk Data
Step 1:
- Go to killdisk.com website.
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Step 2:
- Install this KillDisk software to download. By this software, you can wipe the hard disk permanently.
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Step 3:
- Click launch the software
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Step 4:
- Popup Active@killdisk
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Step 5:
- Click wipe to delete the hard disk and this cannot be undone.
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