Quick Answer: What does file protection mean?

What do you mean by file protection?

[′fīl prə‚tek·shən] (computer science) A mechanical device or a computer command which prevents erasing of or writing upon a magnetic tape but allows a program to read the data from the tape.

What is mean by file protection in operating system?

More Information. Windows File Protection (WFP) prevents programs from replacing critical Windows system files. Programs must not overwrite these files because they are used by the operating system and by other programs. Protecting these files prevents problems with programs and the operating system.

What is the need of file protection?

File systems can be damaged by hardware problems (such as errors in reading or writing), power surges or failures, head crashes, dirt, temperature extremes, and vandalism. Files may be deleted accidentally. … The need to protect files is a direct result of the ability to access files.

What is file protection and security?

Protection and security requires that computer resources such as CPU, softwares, memory etc. are protected. This extends to the operating system as well as the data in the system. … The system must be protect against unauthorized access, viruses, worms etc.

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What mechanism is used for protection?

In computer science, protection mechanisms are built into a computer architecture to support the enforcement of security policies. A simple definition of a security policy is “to set who may use what information in a computer system”.

How do we protect files?

Protect a document with a password

  1. Go to File > Info > Protect Document > Encrypt with Password.
  2. Type a password, then type it again to confirm it.
  3. Save the file to make sure the password takes effect.

What is meant by an operating system?

An operating system is the most important software that runs on a computer. It manages the computer’s memory and processes, as well as all of its software and hardware. It also allows you to communicate with the computer without knowing how to speak the computer’s language.

What is deadlock explain it?

A deadlock is a situation in which two computer programs sharing the same resource are effectively preventing each other from accessing the resource, resulting in both programs ceasing to function. The earliest computer operating systems ran only one program at a time.

How do I prevent a file being deleted in Linux?

In Linux we can set the immutable flag on a file or directory with the ‘chattr’ command. Once immutable, it will not be possible to delete, modify, or rename the file or directory that it has been applied to.

Which type of file protection is used to hide file?

Steganography is the technique of hiding secret data within an ordinary, non-secret, file or message in order to avoid detection; the secret data is then extracted at its destination. The use of steganography can be combined with encryption as an extra step for hiding or protecting data.

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How do I turn off file protection?

Enable or Disable Windows File Protection

  1. Hold the Windows Key and press “R” to bring up the Run dialog box.
  2. Type “regedit“, then select “OK“.
  3. The Registry Editor opens. Navigate to the following registry key: …
  4. Look for the key “SFCDisable“and double click on it. …
  5. Set the value to one of the following: …
  6. Restart Windows.