XK0-005 Question #786: Real Exam Question with Answer & Explanation

The correct answer is D: usermod -aG finance myuser. To add an existing user, 'myuser', to an existing supplementary group, 'finance', the administrator should use the usermod command with the appropriate options.

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, 'myuser', to an existing supplementary group, 'finance', the administrator should use the usermod command with the appropriate options.

Common mistakes.

A. groupadd is used to create a new group, not to add an existing user to an existing group.
B. groupmcd is not a standard Linux command for managing groups or users.
C. useradd is used to create a new user account, not to modify an existing one, and -g would set the primary group for a new user.

Concept tested. Adding user to supplementary group

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

Topics

#User and Group Management#Linux Commands#System Administration

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