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Ligalig-Mike

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Are Deleted Files Completely Gone?
« on: June 12, 2007, 11:24:00 PM »
A common misconception when deleting files is that they are completely removed from the hard drive. However, users should be aware that highly sensitive data can still be retrieved from a hard drive even after the files have been deleted because the data is not really gone. Files that are moved to the recycle bin (on PCs) or the trash can (on Macs) stay in those folders until the user empties the recycle bin or trash can. Once they have been deleted from those folders, they are still located in the hard drive and can be retrieved with the right software.

Any time that a file is deleted from a hard drive, it is not erased. What is erased is the bit of information that points to the location of the file on the hard drive. The operating system uses these pointers to build the directory tree structure (the file allocation table), which consists of the pointers for every other file on the hard drive. When the pointer is erased, the file essentially becomes invisible to the operating system. The file still exists; the operating system just doesn't know how to find it. It is, however, relatively easy to retrieve deleted files with the right software.

The only way to completely erase a file with no trace is to overwrite the data. The operating system will eventually overwrite files that have no pointers in the directory tree structure, so the longer an unpointed file remains in the hard drive the greater the probability that it has been overwritten. There are also many "file erasing" software products currently on the market that will automatically permanently erase files by overwriting them. (webopedia.com)

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Re: Are Deleted Files Completely Gone?
« Reply #1 on: June 14, 2007, 11:18:56 AM »
this is true!
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queen

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Re: Are Deleted Files Completely Gone?
« Reply #2 on: June 20, 2007, 09:50:57 PM »
This is right. I have a friend whose husband cheated on her. How did she learn? She had his phone's memory card under the radar of this software that could read even the deleted messages. Whatta pain in the ass the moment she found out.  Sometimes, it's good not to be too trusting. Wives, girlfriends, partners, make use of this tip from Mike.
Soar, eat ether, see what has never been seen; depart, be lost, but climb.(Edna St. Vincent Millay)

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Re: Are Deleted Files Completely Gone?
« Reply #3 on: June 21, 2007, 07:50:15 AM »
you're right!
the computer wiz out there can even retrieve your data from a dead harddrive..

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Re: Are Deleted Files Completely Gone?
« Reply #4 on: June 22, 2007, 12:54:27 AM »
naa sad software pang erase sa files permanently...
"All that is needed for evil to succeed is, that decent human beings doing nothing". (Edmund Burke)



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