What is meaning of overwrite?
Whats the principle of overwrite?
How to overwrite data?
How to avoid overwriting… Or if you want to recover lost data, yo be careful in case of overwriting!
So, what is the word overwrite meaning?
Data that has been overwritten is considering unrecoverable.
The Principle of Overwrite
Whats the difference between delete and overwrite?
To understand this better, you should know how data is stored.
Digital information is stored in bytes.
Each byte contains 8 bits.
Each bit has a value, 0 or 1.
HDD stores data by directional magnetization of magnetic domains.
When a file is deleted, the information is not immediately removed from the disk.
This information will only be removed if the operating system decides to use this space to store another file.
This may be in a few minutes, or weeks, depending on how the computer is used.
Until then, data can still be restored by using adata recovery program.
This is an irreversible process.
In insert mode, when you enter new text, the text just displays there.
While in overwrite mode, the text you enter will replace the information you selected.
Overwrite text simply means that the new characters you throw in replaces existing characters.
Overwrite files
it’s possible for you to also overwrite data by replacing old files with new ones.
While luckily, the operating system will ask you before overwriting it to make a confirm.
Only that the space it occupies is marked as free.
In this case, the deleted file can be recovered as long as you dont overwrite it.
Therefore, in the case of overwriting, we will give you some Tips when you lose important data.
We hope these tips can help.
But you might wonder then what can you do?
In fact, you canrescue the deleted databy using a free software.
Other Information about Overwrite
There are theories about the feasibility of restoring erased data.
Its like erasing a letter with an eraser and writing another letter on it.
Sometimes you could still vaguely see the original letter.
But none of them has been put into practice.
It can ensure data security.
