Using Vim

1. Opening a File in Vim

To open a file in Vim, use the following command:

vim filename.ext

2. Vim Modes

Vim operates in different modes:

• Normal Mode: For navigation and commands.
• Insert Mode: For editing text.
• Command Mode: For saving and exiting.

3. Essential Vim Commands

Basic commands to get started:

• i – Switch to insert mode.
• Esc – Return to normal mode.
• :w – Save the file.
• :q – Quit Vim.
• :wq – Save and quit.
• :q! – Quit without saving.

4. Navigating in Vim

Use the following keys for navigation:

• h – Move left
• j – Move down
• k – Move up
• l – Move right

5. Example: Creating and Running a Script

Follow these steps to create, edit, and execute a simple script using Vim.

5.1 Step 1: Create a New File

Open the terminal and create a new file with Vim:

vim my_script.sh

5.2 Step 2: Write the Script

Once inside Vim, press i to enter Insert mode, then add the following content:

#!/bin/bash
echo "Hello, Vim!"
    

After writing the content, press Esc to exit Insert mode.

5.3 Step 3: Save and Exit

Save the file by typing:

:wq

5.4 Step 4: Grant Execution Permissions

Make the script executable by running:

chmod +x my_script.sh

5.5 Step 5: Run the Script

Execute the script using the following command:

./my_script.sh

You should see the output:

Hello, Vim!

Author: Georgina Woo