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    "#  ```nano``` editor tutorial.\n",
    "\n",
    "\n",
    "1. Opening and Creating Files:\n",
    "- To open an existing file or create a new one: [1]\n",
    "```bash\n",
    "nano filename.txt\n",
    "```\n",
    "(Replace filename.txt with your desired file name.) [1]\n",
    "- To open a file with the cursor at a specific line and column:\n",
    "```bash\n",
    "nano +line_number,column_number filename.txt\n",
    "```\n",
    "3. Basic Navigation and Editing:\n",
    "- Navigation: Use the arrow keys to move the cursor. Page ```Up/Down``` keys move a screen at a time.\n",
    "- Typing: Begin typing directly after opening the file.\n",
    "- Deleting Characters: Use the ```Backspace``` key.\n",
    "- Deleting a Line: Press ```Ctrl+K```.\n",
    "- Cutting Text: Mark text by pressing ```Alt+A``` at the start, then move with ```arrow``` keys, and press ```Ctrl+K``` to cut.\n",
    "- Copying Text: Mark text as above, then press ```Alt+6``` to copy.\n",
    "- Pasting Text: Navigate to the desired location and press ```Ctrl+U```.\n",
    "- Undo/Redo: ```Alt+U``` to undo, ```Alt+R``` to redo.\n",
    "4. Saving and Exiting:\n",
    "- Saving Changes (without exiting): Press ```Ctrl+O```. You may be prompted to confirm the filename.\n",
    "- Exiting (and saving if prompted): Press ```Ctrl+X```. If changes were made, you'll be asked to save; press ```Y``` for ```Yes``` or ```N``` for ```No```.\n",
    "5. Other Useful Features:\n",
    "- Searching: Press ```Ctrl+W```, enter your search term, and press ```Enter```. Press ```Ctrl+W``` again and Enter to find the next occurrence.\n",
    "- Replacing: Press ```Ctrl+\\``` (or ```Alt+R```), enter the search term, then the replacement term. You can choose to replace all or selectively.\n",
    "- Help: Press ```Ctrl+G``` for a full list of commands and their shortcuts.\n",
    "- \n",
    "Note: The caret symbol ```^``` indicates the ```Ctrl``` key.  For example, ```^X``` means ```Ctrl+X```.\n",
    "\n",
    "[1 How to Use Nano, the Linux Command Line Text Editor](https://linuxize.com/post/how-to-use-nano-text-editor/)\n",
    "\n"
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