Using a keyboard

Following notation is used in this help:

`ctrl-X`	press `<control>` and `<x>`
`alt-X`	press `<alt>` and `<x>` or press `<meta>` and `<x>` or press first `<esc>` and then `<x>` (depends on your terminal/keyboard)

Working arrow keys are an essential requirement.
If some function keys are not working properly on your terminal, please read this troubleshooting information.