nano - Nano's ANOther editor, an enhanced free Pico clone
https://www.nano-editor.org/Set tab size
$ echo "set tabsize 4" >> ~/.nanorc
Show line number
$ echo "set linenumbers" >> ~/.nanorc
Sample .nanorc file
set tabsize 4 set linenumbers
| Shortcut keys | Description |
|---|---|
| CTRL + K | Delete line (Kut) |
| CTRL + U | Paste (UnKut) |
| CTRL + W | Search (Where) |