Overview of nano's shortcuts
                       The editor's keystrokes and their functions

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 File handling                               Moving around
 Ctrl+S   Save current file                  Ctrl+B     One character backward
 Ctrl+O   Offer to write file ("Save as")    Ctrl+F     One character forward
 Ctrl+R   Insert a file into current one     Ctrl+LEFT  One word backward
 Ctrl+X   Close buffer, exit from nano       Ctrl+RIGHT One word forward
                                             Ctrl+A     To start of line
 Editing                                     Ctrl+E     To end of line
 Ctrl+K   Cut current line into cutbuffer    Ctrl+P     One line up
 Alt+6    Copy current line into cutbuffer   Ctrl+N     One line down
 Ctrl+U   Paste contents of cutbuffer        Ctrl+UP    To previous block
 Alt+T    Cut until end of buffer            Ctrl+DOWN  To next block
 Ctrl+]   Complete current word              Ctrl+Y     One page up
 Alt+3    Comment/uncomment line/region      Ctrl+V     One page down
 Alt+U    Undo last action                   Alt+\      To top of buffer
 Alt+E    Redo last undone action            Alt+/      To end of buffer

 Search and replace                          Special movement
 Ctrl+Q   Start backward search              Alt+G      Go to specified line
 Ctrl+W   Start forward search               Alt+]      Go to complementary bracket
 Alt+Q    Find next occurrence backward      Alt+UP     Scroll viewport up
 Alt+W    Find next occurrence forward       Alt+DOWN   Scroll viewport down
 Alt+R    Start a replacing session          Alt+<      Switch to preceding buffer
                                             Alt+>      Switch to succeeding buffer
 Deletion
 Ctrl+H   Delete character before cursor     Information
 Ctrl+D   Delete character under cursor      Ctrl+C     Report cursor position
 Alt+Bsp  Delete word to the left            Alt+D      Report line/word/character count
 Ctrl+Del Delete word to the right           Ctrl+G     Display help text
 Alt+Del  Delete current line
                                             Various
 Operations                                  Alt+A      Turn the mark on/off
 Ctrl+T   Execute some command               Tab        Indent marked region
 Ctrl+J   Justify paragraph or region        Shift+Tab  Unindent marked region
 Alt+J    Justify entire buffer              Alt+V      Enter next keystroke verbatim
 Alt+B    Run a syntax check                 Alt+N      Turn line numbers on/off
 Alt+F    Run a formatter/fixer/arranger     Alt+P      Turn visible whitespace on/off
 Alt+:    Start/stop recording of macro      Alt+X      Hide or unhide the help lines
 Alt+;    Replay macro                       Ctrl+L     Refresh the screen