How to update and upgrade Ubuntu Linux auto answer yes

By default command update Ubuntu Linux

#apt-get update

And upgrade with command

#apt-get upgrade

but you have to confirm to upgrade Yes/No in terminal.

if you want to do command more than one command. you can use "&&" to link two command , the second command will running after first command finish.
example:

#apt-get update && apt-get upgrade

But you have to confirm to upgrade Yes/No in terminal.


Today we will present command to update and upgrade with auto confirm "Yes".
command:

#apt-get update && apt-get -y upgrade

-y is confirm  yes


*** my English  not so good, i am apologize.