1. Copy a single word-yw or yiw, yW or yiW
Copy the word under the cursor to the vim register
2. Copy n words-nyw or nyW
3. Scope copy, copy the content in (), {}, "", []-yi(, yi{, yi", yi[
Place the cursor in (), {}, "", [] and execute the corresponding command to copy the content contained in (), {}, "", []
4. Copy the entire line-yy
5. Copy multiple lines-nyy
6. Paste-p or np; P or nP (please understand the difference between p and P carefully)
After completing the copy or delete, execute the p command to paste the copied or deleted content to the cursor position;
Or paste n times, execute np, such as: 10p