`ln` command

Create hard and symbolic links.

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Syntax

ln [options] target link_name

Provided by the coreutils package. Run man ln for the full manual.

Option	What it does
`-s`	Create a symbolic link
`-f`	Replace the link if it exists
`-n`	Treat a link to a directory as a file (with -f)
`-v`	Print each link made
`-r`	Make the link relative

Create a symbolic link

ln -s /opt/app/current/bin/app /usr/local/bin/app

Enable an Nginx site

sudo ln -s /etc/nginx/sites-available/example.conf /etc/nginx/sites-enabled/

Replace an existing link

ln -sfn /opt/app/releases/v2 /opt/app/current