Shell Scripting: Persist aliases and other configuration in Fish Shell

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Whenever you create aliases in Fish (or any other config), add them to the ~/.config/fish/config.fish file.

So they will be persisted after a system reboot.

For example I set ls to be an alias of exa and cat to be an alias of bat:

0:	Introduction
1:	Introduction to Shells
2:	Bash Basics
3:	Writing Shell Scripts
4:	Variables and Environment Variables
5:	Loops and Arrays
6:	Shell Script Functions
7:	Creating Aliases
8:	Tips and Tricks
9:	The Fish Shell
10:	▶︎ Persist aliases and other configuration in Fish Shell
11:	How to add a path to Fish Shell
12:	Fish Shell, how to avoid recording commands to history
13:	Fish Shell, how to remove the welcome message
14:	How to replace spaces in filenames with underscores using a shell script
15:	How to update all npm packages in multiple projects that sit in subfolders