Nano

File Handling

Shortcut	Action
`Ctrl`+`S`	Save current file
`Ctrl`+`O`	Offer to write file (Save As)
`Ctrl`+`R`	Insert a file into current one
`Ctrl`+`X`	Close buffer, exit from nano

Shortcut	Action
`Ctrl`+`K`	Cut current line into cutbuffer
`Alt`+`6`	Copy current line into cutbuffer
`Ctrl`+`U`	Paste contents of cutbuffer
`Alt`+`T`	Cut until end of buffer
`Ctrl`+`]`	Complete current word
`Alt`+`3`	Comment/uncomment line/region
`Alt`+`U`	Undo last action
`Alt`+`E`	Redo last undone action

Shortcut	Action
`Ctrl`+`Q`	Start backward search
`Ctrl`+`W`	Start forward search
`Alt`+`Q`	Find next occurrence backward
`Alt`+`W`	Find next occurrence forward
`Alt`+`R`	Start a replacing session

Shortcut	Action
`Ctrl`+`H`	Delete character before cursor
`Ctrl`+`D`	Delete character under cursor
`Alt`+`Bsp`	Delete word to the left
`Ctrl`+`Del`	Delete word to the right
`Alt`+`Del`	Delete current line

Shortcut	Action
`Ctrl`+`C`	Report cursor position
`Alt`+`D`	Report line/word/character count
`Ctrl`+`G`	Display help text

Shortcut	Action
`Alt`+`A`	Turn the mark on/off
`Tab`	Indent marked region
`Shift`+`Tab`	Unindent marked region
`Alt`+`V`	Enter next keystroke verbatim
`Alt`+`N`	Turn line numbers on/off
`Alt`+`P`	Turn visible whitespace on/off
`Alt`+`X`	Hide or unhide the help lines
`Ctrl`+`L`	Refresh the screen