Making a png of "text" using convert command

[root@vikas Desktop]# convert -size 800x400 xc:white -font Times-Roman -pointsize 100 -fill red -annotate +120+150 "Anal Pandey" -fill black -annotate +170 +150 +repage anal.png
[root@vikas Desktop]# convert -size 800x400 xc:white -font Times-Roman -pointsize 100 -fill red -annotate +120+150 "Vikas Sharma" -fill black -annotate +170 +150 +repage vikass.png
[root@vikas Desktop]# convert -list type
Bilevel
ColorSeparation
ColorSeparationMatte
Grayscale
GrayscaleMatte
Optimize
Palette
PaletteBilevelMatte
PaletteMatte
TrueColorMatte
TrueColor
[root@vikas Desktop]# convert -list color
yellow1 rgb(255,255,0) X11
yellow2 rgb(238,238,0) X11
yellow3 rgb(205,205,0) X11
yellow4 rgb(139,139,0) X11
YellowGreen rgb(154,205,50) SVG X11 XPM
[root@vikas Desktop]#