Checking current user activity | LinuC Level 1 102 Exam original practice question

1.10.1Basic

List current users with idle time, CPU time, and the command they are running.

Which command is appropriate?

Hint 1: Focus on the requirement

Separate the scope and side effects of the concepts before comparing the choices.

Hint 2: Key terms

Review the short definitions of the command, configuration, and security concepts involved.

w: A command that displays logged-in users, idle time, and current commands.
who: A command that displays current logins and terminal times.
last: A command that displays historical login records.
uptime: A command that displays uptime and load averages.

Detailed explanation

Incorrectwho

Incorrect. who lists sessions but not the current command column.

Incorrectlast

Incorrect. last shows historical sessions.

Correctw

Correct. w includes idle and current-activity information.

Incorrectuptime

Incorrect. uptime summarizes system uptime and load.

An example you can run in a temporary verification environment.

w -h 2>/dev/null | sed -n '1,3p'; printf '%s
' 'w shows current user activity'

login中ならactivity行、続いて確認文字列

Foundation review

A mode bit controlling read, write, execute, or special execution behavior.

Attributes that determine whether a password or login account can be used.

A per-process or per-user ceiling such as open files or process count.

Question IDKL-102-1125

Environmentprocps-ng w / 読み取り専用

Last technical review2026-08-13

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