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multiple_choice medium Remember discovery 2 points

Question 10. CSCD240-E1-C

Which command shows whether cd is a builtin, alias, function, or external?

Work the drill

Answer on paper or in a terminal before revealing the ideal answer.

Ideal answer
B: type cd

Misconception bank

Each row below is a plausible wrong answer, the thinking that produces it, and the remedy that corrects the misconception. These are the foundation of the multiple-choice framing and the targeted feedback a student receives after answering.

A: which cd
Misconception. which misses builtins/aliases/functions.
Remedy. Prefer type for shell-level classification.
C: whereis cd
Misconception. whereis shows man pages and binaries, not shell context.
Remedy. Three different tools.
D: file cd
Misconception. file operates on a filesystem path, not a shell name.
Remedy. file ≠ type.

Authority mappings

Hover any chip for the mapping justification; click to open the authority record.

DCWF tasks: T0063
KU outcomes: CD-OSC-O1

Course-artifact links

Lectures

  • CSCD240-S26-L04. Command history, man pages, help system, history file

CTF challenges

  • 01 Shell & Help: Identity Check