For example, if you are using Ubuntu Linux graphical version and want to access full-screen terminal then simply press Ctrl+Alt+F1 and to come back to graphical session use Ctrl+Alt+F7. It allows the keyboard to input commands and computer displays for showing output most of the Unix-like operating systems use Virtual Terminals such as BSD, Linux, illumos and UnixWare. Each and every Linux operating system comes with Virtual Terminal that we use to operate and manage different services and apps on them. Virtual Linux Terminal is also known as Virtual console (VC) is not a thing we are not acquainted of if you are Linux user, except using it online, that could be a new thing. Use them without installing OS physically on Windows, MacOS, Android or Linux PC just what you need is a browser. Unix/Linux online terminals or emulators to practise various Linux commands & testing scripts on command base online Virtual Linux machines such as Ubuntu, Centos or Buildroot.
