How to refer to the current directory in htaccess

How to refer to the current directory in htaccess

References

Reference NO 1

http://stackoverflow.com/questions/15199732/how-to-refer-to-the-current-directory-in-htaccess

Reference NO 2

http://stackoverflow.com/questions/1200348/how-do-i-make-htaccess-work-on-the-current-directory-and-not-subdirectories

Reference NO 3

http://www.ist.uwaterloo.ca/security/howto/2005-12-20/

Reference NO 4

http://wiki.dreamhost.com/Htaccess_file_overview

Reference NO 5

https://my.bluehost.com/cgi/help/htaccess_redirect

Reference NO 6

http://httpd.apache.org/docs/current/howto/htaccess.html

Reference NO 7

http://serverfault.com/questions/260219/htaccess-to-deny-access-to-the-current-directory

Reference NO 8

http://perishablepress.com/htaccess-password-protection-tricks/