Getting Started. To start Vi, open a terminal or console and simply type vi (without the quotation marks) followed by the name of any existing file or a new file you want to create. Vi works in two main modes, one for editing text and the other for giving commands.To switch between the two modes you use the I and Esc keys.etting Started. To start Vi, open a terminal or console and simply type vi (without the quotation marks) followed by the name of any existing file or a new file you want to create. Vi works in two main modes, one for editing text and the other for giving commands.
Common causes of hypermobile joints. Most commonly, hypermobile joints appear without any underlying health conditions. This is called benign hypermobility syndrome since the only symptom is hypermobile joints. It can be caused by: bone shape or the depth of the joint sockets. muscle tone or strength.
Problems with them can lead to double vision: Multiple sclerosis can affect nerves anywhere in your brain or spinal cord. If it damages the nerves that control your eyes, you may see double. Guillain-Barre syndrome is a nerve condition that causes progressive weakness. Sometimes, the first symptoms are in your eyes and include double vision. Diabetes can cause nerve damage to the muscles that move your eyes. That can lead to double vision. Brain: The nerves that control your eyes connect directly to your brain, where images are processed. Many causes of double vision start in the brain. They include: Strokes; Aneurysms