RHCSA User and Group Management Questions and Answers

Question 1

A system administrator needs to add an existing user, 'jsmith', to the supplementary 'developers' group without removing them from any other groups they are currently a member of.
Which of the following commands will accomplish this task correctly?

Accepted Answer

usermod -aG developers jsmith

Answer

usermod -G developers jsmith

Answer

usermod -g developers jsmith

Answer

useradd -G developers jsmith

Question 2

As a system administrator, you want to ensure that all newly created user accounts automatically have a default `.bash_profile` and a `README.txt` file in their home directory. Where should you place these template files?

Accepted Answer

/etc/skel

Answer

/etc/default/useradd

Answer

/etc/login.defs

Answer

/home

Question 3

A user, 'pjenkins', has their primary group set incorrectly. The administrator needs to change the user's primary group to 'sales'. Which command should be used?

Accepted Answer

usermod -g sales pjenkins

Answer

usermod -G sales pjenkins

Answer

chgrp sales /home/pjenkins

Answer

usermod -aG sales pjenkins

Question 4

Which of the following commands would a system administrator use to view the most recent login times for all users on the system?

Accepted Answer

lastlog

Answer

who

Answer

users

Answer

id

Question 5

A user account named 'tempuser' is no longer needed, and a sysadmin has been tasked with removing the account along with its home directory and mail spool. Which command will achieve this?

Accepted Answer

userdel -r tempuser

Answer

userdel tempuser

Answer

usermod -L tempuser

Answer

rm -rf /home/tempuser

Question 6

What is the primary purpose of the `/etc/group` file in a Linux system?

Accepted Answer

To define group names, GIDs, and list the members of each group.

Answer

To store user password hashes and aging information.

Answer

To define default settings for new user creation.

Answer

To list all existing user accounts and their primary attributes.

A system administrator needs to add an existing user, 'jsmith', to the supplementary 'developers' group without removing them from any other groups they are currently a member of.Which of the following commands will accomplish this task correctly?

A system administrator needs to add an existing user, 'jsmith', to the supplementary 'developers' group without removing them from any other groups they are currently a member of.
Which of the following commands will accomplish this task correctly?