Answer Posted / ram

In unix, hidden files are started with .
But whenever checking for hidden files, we should consider
the two extra ordinary files in evry directory.
'.' and '..'
. denotes to the present working direcory
.. denotes to the previous/parent directory
For filtering only for hidden files use
ls -la .??*

But this will consider the hidden files have length > 2.
So if a hidden file with one letter wont appear.

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