NCAE Mapping Hub
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short_answer easy Remember permissions 2 points

Question 9. CSCD240-E1-A

Who owns this file?

Work the drill

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

Ideal answer
ssteiner.

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.

faculty
Misconception. Confuses owner column (3rd) with group column (4th).
Remedy. Memorize ls -l column order: perms, links, OWNER, group, size, mtime, name.

Authority mappings

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

DCWF tasks: T0144
KU outcomes: CD-OSC-O3
NCAE errors: SMB Login / failure: SMB operation failed: [Errno.SMB Read / failure: SMB operation failed: [Errno .WWW Content / failure: Failed to connect to hostWWW Content / timeout: TimeoutWWW Content / failure: Website cannot be reachedSMB Read / partial: SMB operation failed: Failed .SMB Login / failure: SMB operation failed: [Errno.SMB Read / failure: SMB operation failed: [Errno .SMB Login / failure: SMB connection failed: proto.

Course-artifact links

Lectures

  • CSCD240-S26-L05. Permissions part 1: ls -l anatomy, rwx, file types