Deleted data
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sk7040@gmail.com
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Aug 23, 2009 at 01:02 PM
peter.not Posts 11 Registration date Monday August 24, 2009 Status Member Last seen August 26, 2009 - Aug 25, 2009 at 09:44 AM
peter.not Posts 11 Registration date Monday August 24, 2009 Status Member Last seen August 26, 2009 - Aug 25, 2009 at 09:44 AM
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3 responses
sharpman
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Aug 23, 2009 at 02:09 PM
Aug 23, 2009 at 02:09 PM
I think it goes to your trashcan.
When you delete files from a pen drive they bypass the recycle bin and will be lost. The only way to recover your files will be by scanning the pen drive with a reputable file undelete product like File Restore Professional. You can download a free trial at: www.pcrecovery.com
sharpman
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Aug 25, 2009 at 08:54 AM
Aug 25, 2009 at 08:54 AM
learn something new every day. :-)
peter.not
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Aug 25, 2009 at 09:44 AM
Aug 25, 2009 at 09:44 AM
actually, it stays on the disk.
File format of pen drives is usually FAT, which means "file allocation table"
It works like this:
-there is an index on pen drive, which tells your pc where exactly on pen drive is the file.
Take a look at an example:
You copied two files on pen drive: file A, and file B. And they take some drive space:
AAAAAAAAAABBBBBBBBBB00000000000
^ ^ ^
file A file B empty
Suppose you delete file A, then you will have the following situation:
000000000)BBBBBBBBBB
^ ^
emtpy file B
Then you copy new file, file C, which is bigger then file A
CCCCCCCCCCBBBBBBBBBBCCCCCCCCCCCCCCC00000000000
^ ^ ^ ^
file C file B file C continues empty
So, the INDEX I was telling you about, tells where begins the file C, and if it is fragmented, where it stops, and from where it continues.
When you delete file C from pen drive, you tell your operating system the it can write where file C used to be, BUT THE FILE IS TILL THERE
If you haven't write anything on pen drive after you deleted file, you can undelete it!
File format of pen drives is usually FAT, which means "file allocation table"
It works like this:
-there is an index on pen drive, which tells your pc where exactly on pen drive is the file.
Take a look at an example:
You copied two files on pen drive: file A, and file B. And they take some drive space:
AAAAAAAAAABBBBBBBBBB00000000000
^ ^ ^
file A file B empty
Suppose you delete file A, then you will have the following situation:
000000000)BBBBBBBBBB
^ ^
emtpy file B
Then you copy new file, file C, which is bigger then file A
CCCCCCCCCCBBBBBBBBBBCCCCCCCCCCCCCCC00000000000
^ ^ ^ ^
file C file B file C continues empty
So, the INDEX I was telling you about, tells where begins the file C, and if it is fragmented, where it stops, and from where it continues.
When you delete file C from pen drive, you tell your operating system the it can write where file C used to be, BUT THE FILE IS TILL THERE
If you haven't write anything on pen drive after you deleted file, you can undelete it!
