Dear Mentors. WHJeon again!

After successful installation of LFS & BLFS several times, I started to study slowly with every commands.

Now, in Ch4.2. Creating the $LFS/tools directory, there is symlink command.
And then succeeded message follows
In the book, there's also note that this is right command, and if I have any doubt, read the man ln(1) and info coreutils. I looked through and couldn't found any related information.

-s : symbolic, -v : verbose.

What I'm curious is that isn't above command create symlink from '/' directory? How 'ln'command guess it should be '/tools'?

Thanks for reading! Please Help me!

It uses the name from where your linking it.

if you had put /test1 it would of created a link test1 > /mnt/lfs/test

Sorry if not explain very well but try it and see

ln -sv $LFS/tools /test1

I already know that, and becuase of that, I had this question.
As you said, I typed
I expected '/' -> '/mnt/lfs/tools', not '/tools' -> '/mnt/lfs/tools'/.
How this happened?

Well for example: would create a junk.txt in the / directory. If you don't specify a different name it will use the name of the source file/folder.

And being the command created a symlink called /tools that points(->) to '/mnt/lfs/tools' it is telling you exactly what it did.

It's simple. A symbolic link must be a file. It cannot be a directory. It can point to a directory but the link itself must be a file.

/ is a directory so its name is not available for use as a link. The ln command has a standard response to this type of instruction: it treats it as an instruction to create a link within the specified directory. As no name for the link file itself has been given, it defaults to the local name of the target, in this case the /tools directory.

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Thanks!! I didn't know that!! Thanks again