su
# Switch users
su - <user>
su <user> # gets an environment as if another user just logged in
# Change into root account
su -
su # gets an environment as if another user just logged in
# Switch to root user with user password
sudo su
# Switch users
su - <user>
su <user> # gets an environment as if another user just logged in
# Change into root account
su -
su # gets an environment as if another user just logged in
# Switch to root user with user password
sudo su