Some notes as I learn to use nano

M = Alt
C = Ctrl

Select / Copy / Cut / Paste
----------------------------


M-a     mark start of selection
        use arrows to move to end of selection

M-6     copy line (or selection)

C-k     cut line (or selection)

C-u     paste previously cut/copied selection


Navigation
----------

End     move to end of line
C-End   move to end of file

Home    move to start of line
C-Home  move to start of file

C-Right forward 1 word
C-Left  backward 1 word

C-/     go to line number

M-]     find matching bracket

Wrapping / Justification
------------------------

C-j     justify current paragraph
M-j     justify whole file
M-l     toggle hard auto linebreak off/on

Search / Replace
----------------

C-w     search
M-w     next found
M-q     previous found

C-\     search and replace

Undo/Redo
---------

M-u     undo...
M-q     redo...

Other
-----

C-t     excecute external command & insert output 
M-y     toggle syntax highlighting off/on
M-3     toggle comment current line with #

C-x     exit (asks to save if changed)
C-s     save... & stay open
C-o     save as.. & stay open