How to create a soft connection in laravel file system

When using laravel filesystem, you need to establish a soft link from public/storage to storage/app/public. I would like to ask how to establish a soft link in PHP,
https://laravel.com/docs/5.2/filesystem# the-public-disk

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When using laravel filesystem, you need to establish a soft link from public/storage to storage/app/public. I would like to ask how to establish a soft link in PHP,
https://laravel.com/docs/5.2/filesystem# the-public-disk

Isn’t soft link linux? ln -s public/storage storage/app/public