change the regular user to become root on linux

Previously you have to know the difference between a regular user who commanded in awalai with (sudo)
and root ..

s u d o

Non-permanent nature, which means that a certain time interval will be asked to enter a password again. In other words sudo is a command that allows a user to access an application / certain jobs that have been allowed by root.

whereas
r o o t

or super user is the command to login as a superuser, be careful with su - because once you've switched your login to root identity that dapt do anything even remove the existing system. Therefore, it is actually safer than sudo commands with su - if you still common to use su -. aq like this .. hehehhehe

by www.hafaljogja.blogspot.com
Commands weeks to change the user can become root

~ $ sudo su
[sudo] password for .. : "enter your password"

then you appear
root @ ..: