Merge pull request #43 from Bridouz/patch-1

Create en.md for Changing Shell page

configuration/changing-shell/en.md

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+title = "Changing Shell"
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+# Changing Shell
+
+When using a terminal session to do stuff from the command-line you're in fact using a Shell. It is an interpreter with an interface for users to interact with. It undertands what you write and processes the command and its related tasks.
+
+A Unix shell is a command-line interpreter that provides an interface and functionalities for your terminal, one of the most fundamental tool in a Operative System.
+With a shell you are able to do a lot of tasks from the command-line :
+  - Listing files in a directory with the command `ls`
+  - Creating a directory with the command `mkdir`
+  - Moving a file with `mv`
+  - Launching a software from the command-line (`firefox` for example)
+  - And a lot more useful things that you can do with a graphical interface
+
+
+The most known and used shell in Linux is *bash* as it comes installed and activated on most distribution out-of-the-box.
+
+Other shells exist, such as :
+  - Dash
+  - Fish
+  - Zsh
+  
+A list of available shells on Solus is in `/usr/share/defaults/etc/shells`.
+
+In order to use a shell different from _Bash_ you will have to install the proper package for the shell to be able to work. You will find thoses packages in the Software-Center within the _System utilities_ category.  
+You can also install those packages from the command-line with `sudo eopkg install <Name of the Shell>`:
+
+Example:
+```
+sudo eopkg install fish
+```
+
+If you want to switch from *bash* to another shell in your terminal you have to use the command `chsh` to do that (alongside installing the proper package for your shell).
+
+The command is used with `sudo` rights to change the shell for your user session.
+
+Example:
+````
+sudo chsh -s /bin/zsh $(whoami)
+```