how to install ubuntu in virtualbox

we will begin install ubuntu in inside virtualbox.
firsh we open virtualbox most previous :

 
two : in toolbar klik new then will appear then klik next
 
three : then appear new window then fastidious os and give name then klik next

four : then choosy sum memory ram. necessary to remember sum ram big in virtualbox no impact big because how operasi system who we install not operasi system serious then klik next

five : make new harddisk. in here are two choise --> Create new hard disk or use existing hard disk because we new first operasi system in virtualbox,

choosy create new hard disk then klik next and if are window appear again klik next

six : in here are two choise --> Dynamically expanding storage or fixed size storage. we choosy Dynamically expanding storage and klik next


Seven : configuration initial virtualbox done furthermore we choosy operasi system virtual are will we install then klik start


 eight: we double klik disk install to start install


nine : click forward selected your language



ten : select your time zone from drop-down menu.and click forward


eleven : click forward to keep the default keyboard layout



twelve : click forward again to select the partitions



thirteen :type your name the first text box.this will automatic fill login and computer name and a password and type it in twice.




fourteen : click install to begin in installin



fifteen : and installing complete click restart now to installing finish



sixteen : under image now connection about backtrack and ubuntu in virtualbox and Connect from Ubuntu(Guest) to Backtrack(Host).and the result is.
ping 192.168. 56.101

may be useful for friends and good luck (^_^)