XK0-005 · Question #817
An administrator thinks that the user Joe may be running an unauthorized process on a Linux server. Which of the following commands should the administrator run to confirm this idea?
The correct answer is B. top -u 'Joe'. The command 'top -u Joe' displays a real-time, dynamic view of all processes currently running under the user 'Joe', making it easy to identify any unauthorized processes. Option A ('lsof -p') requires a process ID (PID), not a username, so 'lsof -p Joe' is invalid. Option C…
Question
An administrator thinks that the user Joe may be running an unauthorized process on a Linux server. Which of the following commands should the administrator run to confirm this idea?
Options
- Alsof -p 'Joe'
- Btop -u 'Joe'
- Cjobs -n 'Joe'
- Dps -ax 'Joe'
How the community answered
(40 responses)- A3% (1)
- B80% (32)
- C5% (2)
- D13% (5)
Explanation
The command 'top -u Joe' displays a real-time, dynamic view of all processes currently running under the user 'Joe', making it easy to identify any unauthorized processes. Option A ('lsof -p') requires a process ID (PID), not a username, so 'lsof -p Joe' is invalid. Option C ('jobs -n') lists background jobs of the current shell session only and does not accept a username argument. Option D ('ps -ax Joe') is incorrect syntax; ps does not accept a username as a trailing argument - the correct flag would be 'ps -u Joe' or 'ps -aux | grep Joe'.
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