terminal

gnome-terminal is the default terminal application in Ubuntu.

Install oh-my-bash

Open gnome-terminal via the shortcut Ctrl+Alt+T, or via the Ubuntu launcher, press Win then type terminal.

Install curl and git.

$ sudo apt update
$ sudo apt install curl git

Install oh-my-bash. [instructions]

$ bash -c "$(curl -fsSL https://raw.githubusercontent.com/ohmybash/oh-my-bash/master/tools/install.sh)"

Set the theme for oh-my-bash.

# ~/.bashrc
OSH_THEME="powerline"

Create a keyboard shortcut to open gnome-terminal full-screen

1. Press Super, type 'keyboard' or 'keyboard shortcuts', press Enter
2. Add a new Custom Shortcut.
   • Title: "Full screen terminal"
   • Command: /usr/bin/gnome-terminal --full-screen
3. Assign a shortcut, such as Ctrl+Alt+t

[source]