Many (most?) filesystems support hard links. > Multiple hard links – that is, multiple directory entries to the same file – are supported by POSIX-compliant an

Many (most?) filesystems support hard links. > Multiple hard links – that is, multiple directory entries to the same file – are supported by POSIX-compliant and partially POSIX-compliant operating systems, such as Linux, Android, macOS, and also Windows NT4[2] and later Windows NT operating systems. https://en.wikipedia.org/wiki/Hard_link https://en.wikipedia.org/wiki/Hard_link