Manage the users in jenkins

Manage  users in jenkins :

1) go to jenkins page
2) go to "configure global security"
3) go to authorization select the option "Matrix-based security"
if no user is added, add the user/group and define access level of user/group like
a) be admin
b)  manage domains
c) slave
d) jobs
e) run and view
4) to check if new user is added or not
a) go to jenkins home page.
b) click on people
c) see the user.