append file & directory to /

Question

if I have directory /test and create or copy subs directories and files , eg
root@box:/test/etc/config# ls
newfile1
newfile2
newfile3
newfolderz
newfoldery

how can be automatically appended to / with same path ?
root@box:/etc/config# ls
newfile1
newfile2
newfile3
newfolderz
newfofdery
existing_files1
existing_files2
existing_filesX

also if I remove it from /test will be removed  /
thank you

user387181 · Answer

You can use symlinks:
ln -s /etc /test
Which will make an link from /etc to /test, if you modify something in /test, it will be modified in /etc too.
You can use hardlinks for files:
ln file testfile
Like with symlinks, if you modify testfile, file will be modified too.

also if I remove it from /test will be removed /

be careful while removing symlinks, don't do rm -r test/* because that will delete /etc. Instead use unlink(1)
unlink /test

append file & directory to /

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