If you want resources offline to learn about programming and web technologies MDN is for you! and I recommend to use MDN over w3school because w3school is outdated.
Download it offline (2.1gb) at https://mdn-downloads.s3-us-west-2.amazonaws.com/developer.mozilla.org.tar.gz
| git update-index --assume-unchanged [path] | |
| git update-index --skip-worktree [path] |
| 1. Copy/duplicate current line (on the next line) | |
| - In normal mode, | |
| :t. | |
| 2. Duplicate line on line 7 | |
| - In normal mode, | |
| :t 7 | |
| 3. Save changed file as sudo which was opened as a user with less access | |
| :w !sudo tee % |