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Hard links: a hard link is a pointer to the file's i-node.
cat file1.txt
The file file1.txt
creating a hard link
ln file1.txt file2.txt
The two names file1.txt and file2.txt now refer to the same data:
cat file2.txt
The file file1.txt
If we modify the contents of file file2.txt, then we also modify the contents of file file1.txt:
Symbolic link(Soft link) :a symbolic link is like a pointer to the pointer to the file's contents. For instance, supposed that in the previous example, we had used the -s option of the ln to create a soft link:
ln -s file1.txt file3.txt
If we remove the original file file1 then we can not access its data through a symbolic link.But if we can access the data of file one using the hardlink file2 as hard link have direct pointer to the file data itself.
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