XK0-005 Question #1781: Real Exam Question with Answer & Explanation

The correct answer is D: usermod -aG finance myuser. To add an existing user to a supplementary group in Linux, the usermod command with the appropriate options for appending to supplementary groups is used.

System Management

Question

A systems administrator is reconfiguring existing user accounts in a Linux system. Which of the following commands should the administrator use to include "myuser" in the finance group?

Options

Agroupadd finance myuser
Bgroupmcd finance myuser
Cuseradd -g finance myuser
Dusermod -aG finance myuser

Explanation

To add an existing user to a supplementary group in Linux, the usermod command with the appropriate options for appending to supplementary groups is used.

Common mistakes.

A. The groupadd command is used to create a new group, not to add a user to an existing group.
B. groupmcd is not a standard Linux command for user or group management.
C. The useradd -g finance myuser command is used to create a new user and set their primary group to finance, not to add an existing user to a supplementary group.

Concept tested. Adding user to supplementary group

Reference. https://man7.org/linux/man-pages/man8/usermod.8.html

Topics

#User Management#Group Management#Linux Commands#System Administration

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