RHCE User and Group Management

Question 1

Which file stores hashed passwords for local user accounts in RHEL?

Accepted Answer

/etc/shadow

Answer

`/etc/shadow` stores encrypted passwords and password aging information for local users.

Question 2

What command creates a new user named `jdoe` with a home directory?

Accepted Answer

useradd -m jdoe

Answer

`useradd -m jdoe` creates the user and the `-m` flag ensures the home directory is created.

Question 3

Which command sets an expiry date of 2026-12-31 for user `jdoe`?

Accepted Answer

chage -E 2026-12-31 jdoe

Answer

`chage -E` sets the account expiration date for a user in YYYY-MM-DD format.

Question 4

What does the `id` command display when run as a normal user?

Accepted Answer

UID, GID, and group memberships

Answer

The `id` command prints the UID, GID, and supplementary group memberships of the current or specified user.

Question 5

Which command adds user `jdoe` to the supplementary group `wheel`?

Accepted Answer

usermod -aG wheel jdoe

Answer

`usermod -aG wheel jdoe` appends the user to the `wheel` group without removing existing group memberships.

RHCE - Red Hat Certified Engineer Practice Test