# ipkg-opt install nano
# nano -V
GNU nano version 2.1.9 (compiled 01:11:43, Feb 19 2009) (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc. Email: nano@nano-editor.org Web: http://www.nano-editor.org/ Compiled options: --disable-nls --enable-color --enable-extra --enable-multibuffer --enable-nanorc
# nano /opt/etc/nanorc
include "/opt/share/nano/sh.nanorc"
# nano /opt/share/nano/sh.nanorc
color green "(case|do|done|elif|else|esac|exit|fi|for|function|if|in|local|read|return|select|shift|then|time|until|while)" color green "-[Ldefgruwx]" color green "-(eq|ne|gt|lt|ge|le|s|n|z)" color brightblue "(cat|cd|chmod|chown|cp|echo|env|export|grep|install|let|ln|make|mkdir|mv|rm|sed|set|tar|touch|umask|unset)"