How to run xcode from terminal?

Question

My question is very simple: suppose there is an xcode project a.xcodeproj, could I open it with the command: xcode a.xcodeproj?

If I try this, I receiv

Answer 1

open terminal, then go to the path where Xcode is installed. Then, go to its "Contents/MacOS". And when you reach this folder, then type - sudo ./Xcode

Or else follow the following code: (you can use "sudo" if the user has privilege issue)

cd /  
cd Applications
cd Xcode.app
cd Contents/MacOS
sudo ./Xcode