Obviously, therefore, any programs that ran on the mainframe had to produce text as an output and accept text as an input.Ĭompared with graphics, text is very light on resources. Everything was sent as text, and received as text. There was no mouse, no fancy graphics, not even any choice of colour. Instead they would just send keystrokes to the server and display any data they received on the screen. These terminals were pretty basic by modern standards: just a keyboard and screen, with no power to run programs locally.
It was designed to run as a multi-user system on mainframe computers, with users connecting to it remotely via individual terminals. A brief history lessonĭuring the formative years of the computer industry, one of the early operating systems was called Unix. This tutorial includes some specfic steps for Ubuntu 18.04 but most of the content should work regardless of your Linux distribution. A computer running Ubuntu or some other version of LinuxĮvery Linux system includes a command line of one sort or another.The best way to use administrator powers.
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Yet the ability to copy and paste commands from a website, combined with the power and flexibility the command line offers, means that using it may be essential when trying to follow instructions online, including many on this very website! Often referred to as the shell, terminal, console, prompt or various other names, it can give the appearance of being complex and confusing to use. The Linux command line is a text interface to your computer.
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