Chapter 14 Quiz Linux

Which of the following options for the useradd command allows root to specify supplementary groups the user will be a member of?

-G

Which option for the usermod command can be used to specify a user's group ID (either primary or secondary)?

-g

Which of the following options for the useradd command allows root to specify the UID to be associated with the account?

-u

The usermod command can be used to do all of the following except...

...change the user's MAX and MIN password settings.

If a user is deleted, the files and directories that the user owned...

...will show a UID as the owner, but not user name.

Which of the following files does the groupadd command use to determine the new GID when a GID isn't specified?

/etc/group

Which of the following files contains encrypted user password information?

/etc/shadow

Which of the following commands can be used to modify a group?

groupmod

Which of the following commands, run as root, will prevent the user bob from logging in?

usermod -L bob

The userdel command will...

...delete the user account, but leave the user's files by default.

Which of the following files contains user IDs?

/etc/passwd

What directory contains user's home directories?

/home

UIDs 1-500 are usually reserved for what kind of users?

System accounts, such as server processes

Which command can be used to determine a user's most recent log in?

last

Which of the following commands will add the group extra to the user bob's secondary groups in addition to bob's current secondary groups?

usermod -aG extra bob