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Update en.md 

- Rework first paragraph
- Add example to install a shell
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configuration/changing-shell/en.md
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@ -3,10 +3,18 @@ title = "Changing Shell"
+++
# Changing Shell
A Unix shell is a command-line interpreter or shell that provides a traditional user interface for the Unix operating system and for Unix-like systems.
Users direct the operation of the computer by entering commands as text for a command line interpreter to execute or by creating text scripts of one or more such commands.
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. The most known and used shell in Linux is *bash* as it comes installed and activated on most distribution out-of-the-box.
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
@ -15,11 +23,19 @@ Other shells exist, such as :
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.
Exemple:
Example:
````
sudo chsh -s /bin/zsh $(whoami)
```