performance medium Apply grep-recursive 2 points

Question 23. CSCD240-E1-B

Recursively search /etc for any file containing "password=" and print only filenames.

Work the drill

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

Ideal answer

grep -rl 'password=' /etc

Acceptable alternatives: ["grep -r -l 'password=' /etc", "grep -lR 'password=' /etc"]

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.

grep 'password=' /etc

Misconception. Not recursive; errors on directory.

Remedy. -r or -R for recursion.

grep -r 'password=' /etc

Misconception. Prints matching LINES not filenames.

Remedy. -l for list-filenames-only.

Authority mappings

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

DCWF roles: CS-541 Vulnerability Assessment Analyst EN-211 Forensics Analyst

DCWF tasks: T0250 T0447

KU outcomes: CO-M10-O1 CO-M9-O1

KU topics: CD-OSC-T5

O*NET tasks: SOC 15-1244.00: task 1 SOC 15-1244.00: task 2

NCAE errors: SSH Login / failure: Failed to connect to host: IPSSH Login / partial: The following users failed t.SSH Login / partial: The following users failed t.

Course-artifact links

Lectures

CSCD240-S26-L08. Pipes, filters, grep, sort, uniq, wc, tar