# echo >> file

`echo line >> file.txt`

Add a line to the end of a file without erasing what's already there.

## What each part does

- `echo` — command — print text
- `line` — argument: a file, a folder, or text
- `>>` — append the output to the end of the file
- `file.txt` — argument: a file, a folder, or text

Source: https://zero2vibecode.com/explain/echo-append