How to use it? >>>>> ` https://laravel.com/docs/5.3/artisan#registering-commands `

CustomLink.php

<?php

namespace App\Console\Commands;

use Illuminate\Console\Command;

class CustomLink extends Command
{
    /**
     * The name and signature of the console command.
     *
     * @var string
     */
    protected $signature = 'custom:link {path_name}';

    /**
     * The console command description.
     *
     * @var string
     */
    protected $description = 'Create Storage Custom Folder Link';

    /**
     * Create a new command instance.
     *
     * @return void
     */
    public function __construct()
    {
        parent::__construct();
    }

    /**
     * Execute the console command.
     *
     * @return mixed
     */
    public function handle()
    {
        $path_name = $this->argument('path_name');
        $directory = storage_path('app/' . $path_name);

        if (file_exists(public_path($path_name))) {
            return $this->error("The 'public/$path_name' directory already exists.");
        }

        if (!file_exists($directory)) {
            $this->error("The $directory directory not exists.");
            $created = $this->confirm("Do you want to create a directory ?");

            if (!$created) {
                return false;
            }

            mkdir($directory);
        }

        $this->laravel->make('files')->link($directory, public_path($path_name));

        $this->info("The [public/$path_name] directory has been linked.");

    }
}