nano --version (return code: 0)
GNU nano, version 2.5.3
(C) 1999..2016 Free Software Foundation, Inc.
Email: nano@nano-editor.org Web: http://www.nano-editor.org/
Compiled options: --disable-libmagic --disable-wrapping-as-root --enable-utf8
nano --help (return code: 0)
Usage: nano [OPTIONS] [[+LINE,COLUMN] FILE]...
Option GNU long option Meaning
+LINE,COLUMN Start at line LINE, column COLUMN
-A --smarthome Enable smart home key
-B --backup Save backups of existing files
-C <dir> --backupdir=<dir> Directory for saving unique backup files
-D --boldtext Use bold instead of reverse video text
-E --tabstospaces Convert typed tabs to spaces
-F --multibuffer Read a file into a new buffer by default
-G --locking Use (vim-style) lock files
-H --historylog Log & read search/replace string history
-I --ignorercfiles Don't look at nanorc files
-K --rebindkeypad Fix numeric keypad key confusion problem
-L --nonewlines Don't add newlines to the ends of files
-N --noconvert Don't convert files from DOS/Mac format
-O --morespace Use one more line for editing
-P --positionlog Log & read location of cursor position
-Q <str> --quotestr=<str> Quoting string
-R --restricted Restricted mode
-S --smooth Scroll by line instead of half-screen
-T <#cols> --tabsize=<#cols> Set width of a tab to #cols columns
-U --quickblank Do quick statusbar blanking
-V --version Print version information and exit
-W --wordbounds Detect word boundaries more accurately
-Y <str> --syntax=<str> Syntax definition to use for coloring
-c --constantshow Constantly show cursor position
-d --rebinddelete Fix Backspace/Delete confusion problem
-h --help Show this help text and exit
-i --autoindent Automatically indent new lines
-k --cut Cut from cursor to end of line
-m --mouse Enable the use of the mouse
-n --noread Do not read the file (only write it)
-o <dir> --operatingdir=<dir> Set operating directory
-p --preserve Preserve XON (^Q) and XOFF (^S) keys
-q --quiet Silently ignore startup issues like rc file errors
-r <#cols> --fill=<#cols> Set hard-wrapping point at column #cols
-s <prog> --speller=<prog> Enable alternate speller
-t --tempfile Auto save on exit, don't prompt
-u --unix Save a file by default in Unix format
-v --view View mode (read-only)
-w --nowrap Don't hard-wrap long lines
-x --nohelp Don't show the two help lines
-z --suspend Enable suspension
-$ --softwrap Enable soft line wrapping