According to Google Translate, the above question reads:
How do you get a window back to Ubuntu after minimize?
@hannieuwland - please be aware that the language used on LQ is English. If you do not believe that your English is good enough (and we are very forgiving here as we have many many non_English speaking members) please use an online translation tool, such as Google Translate to ensure that the largest number of members can read your posts.
Welcome to LQ.