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Machine-translated page for increased accessibility for English questioners.


How do I log out?

In the bar at the top of the screen, click the "Log out" menu below the Apple logo.

How to start a text terminal?

The text terminal can be started as follows:

  1. I open the Finder application (the first icon of a smiling face on the bottom bar).
  2. Click on Applications .
  3. I'll find Utilities .
  4. Click on Terminal . A popping terminal icon may appear for a while, indicating that the application is running.

A new terminal window is created by clicking FileNew Shell . The menu is located at the top of the screen.

XCode "The operation could not be competed. (Cocoa error - 102.)"

You may encounter this error when trying to run your application via Xcode in iOS Simulator. This is due to the fact that iOS Simulator does not support running applications that are in a networked location via NFS. At the same time, the home directories where the applications are located are currently mounted via NFS.

The solution is to create a local directory where the application will be stored and redirect iOS Simulator to it. This can be achieved by the following commands running in the terminal:

mkdir /tmp/$USER
mkdir -p ~/Library/Developer
rm -rf ~/Library/Developer/CoreSimulator
ln -s /tmp/$USER ~/Library/Developer/CoreSimulator

If you log on to another machine, step s is required mkdir execute again because it is a local directory on the machine. It is advisable to delete this directory after finishing the work ( rm -rf /tmp/$USER ).

Where to look for help?

  • If you do not know the advice and you are not able to solve your problem on your own, it is possible to write to where we will try to help you.