更改xterm的背景顏色

　　啟動xterm 時加參數可以用man xterm 得知也可以改.Xdefault 實現參數為-bgAs I know, xterm can't do transparency.You can try Eterm or Aterm, if you don't have either of them download and install itand then run "aterm -tr" or something like that.just my two centsSS