How do I save in terminal?

To save the file without exiting the editor, switch back to normal mode by pressing Esc , type :w and hit Enter . There is also an update command :up , which writes the buffer to the file only if there are unsaved changes. To save the file under a different name, type :w new_filename and hit Enter .

How do I save and exit a command in Linux?

Press the [Esc] key and type Shift + Z Z to save and exit or type Shift+ Z Q to exit without saving the changes made to the file.