Fixed and improved SHORTCUTS module.

Now it's 'SHORTCUTS and HISTORY'.

languages/bash.sh

@@ -1,9 +1,8 @@
 #!/bin/bash
 ##############################################################################
-# SHORTCUTS
+# SHORTCUTS and HISTORY
 ##############################################################################
 
-
 CTRL+A  # move to beginning of line
 CTRL+B  # moves backward one character
 CTRL+C  # halts the current command
@@ -11,6 +10,7 @@ CTRL+D  # deletes one character backward or logs out of current session, similar
 CTRL+E  # moves to end of line
 CTRL+F  # moves forward one character
 CTRL+G  # aborts the current editing command and ring the terminal bell
+CTRL+H	# deletes one character under cursor (same as DELETE)
 CTRL+J  # same as RETURN
 CTRL+K  # deletes (kill) forward to end of line
 CTRL+L  # clears screen and redisplay the line
@@ -31,10 +31,17 @@ CTRL+Z  # stops the current command, resume with fg in the foreground or bg in t
 ALT+B   # moves backward one word
 ALT+D   # deletes next word
 ALT+F   # moves forward one word
+ALT+H	# deletes one character backward
 
-DELETE  # deletes one character backward
-!!      # repeats the last command
-exit    # logs out of current session
+BACKSPACE  # deletes one character backward
+DELETE     # deletes one character under cursor
+
+history   # shows command line history
+!!        # repeats the last command
+!<n>	  # refers to command line 'n'
+!<string> # refers to command starting with 'string'
+
+exit      # logs out of current session
 
 
 ##############################################################################