nano--help.txt

Usage: nano [OPTIONS] [[+LINE[,COLUMN]] FILE]...

To place the cursor on a specific line of a file, put the line number with
a '+' before the filename.  The column number can be added after a comma.
When a filename is '-', nano reads data from standard input.

 Option         Long option             Meaning
 -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            Save & reload old search/replace strings
 -I             --ignorercfiles         Don't look at nanorc files
 -J <number>    --guidestripe=<number>  Show a guiding bar at this column
 -K             --rawsequences          Fix numeric keypad key confusion problem
 -L             --nonewlines            Don't add an automatic newline
 -M             --trimblanks            Trim tail spaces when hard-wrapping
 -N             --noconvert             Don't convert files from DOS/Mac format
 -O             --bookstyle             Leading whitespace means new paragraph
 -P             --positionlog           Save & restore position of the cursor
 -Q <regex>     --quotestr=<regex>      Regular expression to match quoting
 -R             --restricted            Restrict access to the filesystem
 -S             --softwrap              Display overlong lines on multiple rows
 -T <number>    --tabsize=<number>      Make a tab this number of columns wide
 -U             --quickblank            Wipe status bar upon next keystroke
 -V             --version               Print version information and exit
 -W             --wordbounds            Detect word boundaries more accurately
 -X <string>    --wordchars=<string>    Which other characters are word parts
 -Y <name>      --syntax=<name>         Syntax definition to use for coloring
 -Z             --zap                   Let Bsp and Del erase a marked region
 -a             --atblanks              When soft-wrapping, do it at whitespace
 -b             --breaklonglines        Automatically hard-wrap overlong lines
 -c             --constantshow          Constantly show cursor position
 -d             --rebinddelete          Fix Backspace/Delete confusion problem
 -e             --emptyline             Keep the line below the title bar empty
 -f <file>      --rcfile=<file>         Use only this file for configuring nano
 -g             --showcursor            Show cursor in file browser & help text
 -h             --help                  Show this help text and exit
 -i             --autoindent            Automatically indent new lines
 -j             --jumpyscrolling        Scroll per half-screen, not per line
 -k             --cutfromcursor         Cut from cursor to end of line
 -l             --linenumbers           Show line numbers in front of the text
 -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             --indicator             Show a position+portion indicator
 -r <number>    --fill=<number>         Set width for hard-wrap and justify
 -s <program>   --speller=<program>     Use this alternative spell checker
 -t             --saveonexit            Save changes 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 [default]
 -x             --nohelp                Don't show the two help lines
 -y             --afterends             Make Ctrl+Right stop at word ends
 -z             --listsyntaxes          List the names of available syntaxes
 -@             --colonparsing          Accept 'filename:linenumber' notation
 -%             --stateflags            Show some states on the title bar
 -_             --minibar               Show a feedback bar at the bottom
 -0             --zero                  Hide all bars, use whole terminal
 -/             --modernbindings        Use better-known key bindings