This question already has an answer here:
When display hidden file and directory in terminal using
ls -la it show two directory i.e.
. and .. and when list the content of dot(.) directory it contain all file and directories that is in it's parent directory,are it create clone of that file, if yes then there is duplicate files ?
And while running a script we have use that dot directory if we are in directory where it reside like
but not when we run it from another directory like