sudo apt update
sudo apt install nautilus-actions

~$ cat "$HOME/.local/share/nautilus/scripts/Make Hard Link"

#!/bin/bash

if [ -f "${1}" ]
then
        ln "$1" "Hard Link to $1"
fi

SNAME="$HOME/.local/share/nautilus/scripts/Make Hard Link";
printf '#!/bin/bashnnif [ -f "${1}" ]nthenntln "$1" "Hard Link to $1"nfin' |
tee "$SNAME";
chmod +x "$SNAME"