More Questions from Disk Operating System (DOS)

In DOS navigation, which single command takes you directly to the root of the current drive from any subdirectory?

Computer Science Disk Operating System (DOS) Difficulty: Easy
Choose an option
  • A
    CD\
  • B
    CD \root
  • C
    CD\..
  • D
    CD..
  • E
    None of the above

Answer

Correct Answer: CD\

Explanation

Introduction / Context:Efficient command-line navigation requires knowing how to jump to key locations quickly. In DOS, returning to the root directory of the current drive is a frequent operation when resetting paths or launching programs from top-level folders.

Given Data / Assumptions:

  • Current drive may be, for example, C: or D:.
  • User is nested within one or more subdirectories.
  • Goal: Return to the root in a single command.

Concept / Approach:The CD (change directory) command accepts a backslash as a special path meaning the root of the current drive. Therefore, CD\ instantly moves you to, for example, C:\ regardless of how deep you are. CD.. moves only one level up; CD \root refers to a literal directory named root, which may not exist; CD\.. is a malformed combination for this purpose.

Step-by-Step Solution:

1) At any depth, type: CD\ and press Enter.2) Confirm the prompt changes to show the root path (for example, C:\>).3) Optionally navigate back down with CD subfolder names.4) Use DIR to verify top-level directories if needed.

Verification / Alternative check:Issuing CD.. repeatedly will eventually reach the root, but CD\ performs it in a single step.

Why Other Options Are Wrong:

  • CD \root: Goes to a directory named root if it exists, not necessarily the drive root.
  • CD..: Moves up one level only.
  • CD\..: Not the correct syntax for root navigation.
  • None of the above: Incorrect because CD\ is correct.

Common Pitfalls:Confusing the backslash role in DOS (root separator) with forward slashes used for options in some commands.

Final Answer:CD\

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