performance
easy
Apply
ps
2 points
Question 26. CSCD240-E1-B
List every process system-wide with PID, PPID, user, and command line.
Work the drill
Answer on paper or in a terminal before revealing the ideal answer.
Ideal answer
ps -ef
Acceptable alternatives: ["ps aux", "ps -elf"]
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.
ps
Misconception. Default ps shows only your processes in THIS terminal.
Remedy. Teach flag distinction: -e/-A/-a = all; -f = full.
Authority mappings
Hover any chip for the mapping justification; click to open the authority record.
DCWF roles:
CE-463 Host Analyst
DCWF tasks:
T0501
KU outcomes:
CO-M3-O3
O*NET tasks:
SOC 15-1231.00: task 12SOC 15-1231.00: task 13SOC 15-1244.00: task 1SOC 15-1244.00: task 2
NCAE errors:
Postgres Access / failure: An error was encounter.SMB Login / failure: SMB operation failed: [Errno.SSH Login / failure: Failed to connect to host: IPSMB Login / failure: SMB operation failed: [Errno.SMB Login / failure: SMB connection failed: proto.SSH 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
Lab questions
- CSCD240-S26-LAB6: Run ps, ps -ef, ps aux. Explain the difference.