How can I execute command in the terminal as origin?
Production phones do not deliver with root access, programmer phones do. If you have a manufacturing phone (most likely: you would certainly recognize if you acquired a dev phone), you need to "root" them first. As @Joe_Casadonte mentions, there are some wonderful guidelines below and also in other places (Notably the CyanogenMod Wiki and also Android Rom is google team) to get you began rooting your phone. (And if you get stuck ... returned below with your inquiries!).
As soon as you've rooted your phone, you can obtain origin advantages in the adb covering or the terminal emulator with the
Keep in mind: it appears from several of your feedbacks like you have not yet rooted your phone. So you'll require to start there.