Terminal Note

 --------------

Shows all the hidden directory

1.  ls -d .[!.]?* 

=====

Shortcut key 

CTRL+A = Move Backward
CTRL+E = Move Forward
CTRL+F = Move Forward One step @ time
CTRL+B = Move Backward One set @ time
CTRL+D = Delete a Character
CTRL+W = Delete a word
CTRL+T = Switch the 2 letter
ALT+U = Upper
ALT+L = lower