bash-0-overview.md

# Unix Basics

![](../images/1-intro/DEC_VT100_terminal_transparent.png){: style="height:250px;width:250px;float:left"}

As most of users, our daily usage of a computer is done through a Graphical User Interface (GUI) in which we do some typing of text in combination with the clicking of drop-down menus and option buttons. Before appearance of GUI everything was made via the Command Line Interface (CLI). The simplification given by the GUI has been at the cost of reducing flexibility and control available in CLI. 
By understanding the underlying concepts of the Unix command-line, you will be able to better understand how computer works. And by Learning the usage of a Unix command-line interface, you will be able to gain in productivity when it comes to handle many tasks as like file-management and jobs control. It will allow you to work remotly on High-performance computer (HPC) and open the acces of numerous bioinformatics tools that are only available in command-line.

It may seem like a waste of time and energy to learn, but I in bioinformatics Unix command-line is central and allow to lever a great potential of automation, tools, data/file processing, etc.

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