Installing tar.gz files

[Jatin Davey]

Karl F. Larsen wrote:
> devan wrote:
>   
>> Hello Ubuntu users,
>>
>>  
>>
>>   I am new to Ubuntu and I am very confused.  I recently installed Ubuntu
>> 9.04 and I have a tar.gz file of dvd::rip that I would like to install.
>> Could someone please send very clear instructions to me on how to do this?
>> I am not used to using Terminal or anything on Ubuntu.  Thanks.
>>
>>  
>>
>>  
>>
>>
>>
>>     
> 	The usual way to load new things on Ubuntu is to use:
>
> 		$ sudo apt-get install filename
>
> where filename is the name of the application you want to add.
>
> 	So tell us what your trying to load. The regular way might work.
>
> Karl
>
>
>   
Hi Karl

On similar lines , i want to make sure on updating the entire ubuntu 
system via the command line :

The command : sudo apt-get update

Will this update the entire ubuntu including all the installed softwares ?

Thanks
Jatin