2.2 implement identity management

Question 1

useradd command

Answer 1

Used to create an account.

-c{comment}
-d{specifies directory}
-e{set expiration date}
-f{set inactive value}
-g{specify group}

Question 2

groupadd command

Answer 2

Used to create a group account.

-g{specifies GUID for new group}

Question 3

userdel command

Answer 3

Deletes a user account.

-r{recursively deletes}

Question 4

groupdel command

Answer 4

Deletes a group account.

Question 5

usermod command

Answer 5

modify a user account.

Question 6

groupmod command

Answer 6

modify a group account.

-g{change GUID}
-n{change group name}

Question 7

id command

Answer 7

The id command displays basic account information.

Question 8

who command

Answer 8

shows who is currently logged in.

-b{specify last boot time}
-H{Display Headings}
-q{Display number of users logged in}

Question 9

w command

Answer 9

The w command displays who is logged in as well as other useful information.

Question 10

/etc/passwd

Question 11

/etc/group

Question 12

/etc/shadow

Question 13

/etc/profile

Question 14

/etc/skel

Question 15

.bash_profile

Question 16

.bashrc

Question 17

passwd command

Question 18

chage command

Question 19

pam_tally2

Question 20

faillock

Question 20

/etc/login.defs