IT Fundamental Quiz 4

Accounts are not just set up for human users.

• True

• False

In Linux, two users can never share the same user ID or the same private group.

• True

• False

When a new user is created in Linux, an entry of user account information is automatically placed into ...

• /etc/user

• /home/shadow

• /etc/passwd

• /home/username where username is the account name of the new user

• /home/passwd

In Linux, when creating a user account for some user, username, by default, the user’s directory will be placed in ...

• 
  /home/username

• /etc/username

• Users/username

• username

• root/username

The file afile has permissions of 764. The instruction chmod g-w,o-r will alter its permissions to be ...

• 740

• 640

• 744

• 644

• 760

The Linux instruction passwd -x 30 zappaf will ...

• ... require that zappaf change his password within 30 days.

• ... change zappaf’s password in 30 days.

• ... lock zappaf out of his account in 30 days.

• ... lock zappaf out of his account now and delete his account in 30 days if his account is not unlocked.

• ... warn zappaf to change his password within 30 days.

Assume the file foo.txt has permissions of –rwxrw-r--. After issuing the instruction chmod g-w foo.txt, which of the following is not true?

• All of the above are true.

• The owner of the file still has full access to the file (rwx).

• The file is still readable by everyone.

• The world (other) has no access to the file at all.

• The owner is the only person who can write to the file.

Which Linux file stores user passwords in an encrypted form?

• etc/shadow

• /etc/passwd

• /etc/group

• /home/passwd

• /usr/passwd

In Linux, you can add or delete users and add or delete groups using the same GUI tool.

• True

• False

In Linux, directories need to be ______ for a user to cd into them.

• readable

• None of the above, directories do not need any special permissions to be cd’ed into.

• executable

• writable