try {
//General commands
if (mainArg.equalsIgnoreCase("abort"))
this.cmd = new AbortCmd(sender, args);
else if (mainArg.equalsIgnoreCase("help"))
this.cmd = new HelpCmd(sender, args);
else if (mainArg.equalsIgnoreCase("about"))
this.cmd = new AboutCmd(sender, args);
else if (mainArg.equalsIgnoreCase("version"))