Yank current character through character that motion would move the cursor to and puts them into the delete buffer. The text and cursor are unchanged.
Y
Yanks from current position to end of line. Equivalent to y$.
u
Undo the last text modifying command.
U
Undo all the text modifying commands performed on the line.
[count]v
Returns the command fc –e ${VISUAL:– ${EDITOR:–vi}}count in the input buffer. If count is omitted, then the current line is used.
^L
Line feed and print current line. Has effect only in control mode.
^J
(New line) Execute the current line, regardless of mode.
^M
(Return) Execute current line, regardless of mode.
#
Sends the line after inserting a # in front of the line. If line already commented, then remove the # character. Useful for causing the current line to be inserted in the history without being executed.
=
List the file names that match the current word if an asterisk were appended it.
@letter
Your alias list is searched for an alias letter and if defined, its value is inserted on the input queue.