Using terminal in Ubuntu

1)Add users

a)Add a user named “roger” (or,create your own username) usingthe “useradd” command.useradd-d/home/roger-m roger

b)Create a password for the new user using the “passwd” commandpasswd roger

c)Login using the new account.

d)Repeat step a) to c) to create 2 or 3 other users.

e)Examine the home directory of each user under /home/.

f)Examine the following files and see what’s added for theusers/groups you created. Try to understand the new additions.

i)/etc/passwd

ii)/etc/shadow

iii)/etc/group

g)Create two groups: managers, staff

h)Add roger to the “managers” group; add other users you havecreated to the “staff” group.

i)Create some files and directories in /etc/skel.

j)Create a new user and then login to examine his/her homedirectory.What has been created already in the home directory?

k)Add Roger to a new group called “committee”.

l)Use the “id” or “groups” command to check users and groupsinformation and see if they are in the right groups.id roger

2)Create a new user with following information. Try to use fewercommands to complete the task.

a)User name: bbrown

b)Primary group: faculty

c)Other groups: web-author, coordinator

d)Temporary password: bob(the user needs to change it when loginfor the first time)

e)How many commands did you use?

i)Execute “id bbrown” on the command line. Take a screenshot ofthe execution results.

ii)Display the content of the “passwd” file. Show the line forthe user “bbrown”. Take a screenshot.