setterm -inversescreen on/off 交换背景色和前景色
setterm -background black/red/green/yellow/blue/magenta/cyan/white 将背景色改为指定颜色
setterm -foreground black/red/green/yellow/blue/magenta/cyan/white 将前景色改为指定颜色
setterm -reset 重置终端背景色和前景色为默认值
setterm -store 保存当前终端设置为默认值#linux技能提升#