Create a tar archive called my-directory.tar of a directory my-directory/ but without the hidden .* files.
You can use this short tar command.
tar --exclude='.*' -cvf my-directory.tar my-directory/
Or this more verbose tar command.
tar --exclude='.*' --create --verbose --file my-directory.tar my-directory/
--exclude tells tar not to process files or directories that match the specified pattern-c or --create tells tar to create a new archivev or --verbosetells tar to produce verbose outputf or --filetells tar that the next parameter will be the tar file to create, extract, append to, list, etc.