convert and composite

convert -size 400x70 xc:transparent -font Bookman-DemiItalic -pointsize 72 -draw "text 25,60 'iNutshell'" -channel RGBA -gaussian 0x6 -fill darkgreen -stroke yellow -draw "text 20,55 'iNutshell'" iNushell.png

convert -size 4x4 xc:transparent -fill white -draw 'line 1,3 3,3' whiteline.png

composite -tile whiteline.png iNushell.png iNushell-line.png