public Ping(DeployServer server)
            : base(server, "ping", "PING服务器")
        {

        }
        public SendFile(DeployServer server)
            : base(server, "sendfile", "分发文件到所有登录并且不是管理员的会话   sendfile [filepath]")
        {

        }
        public ShowUsers(DeployServer server)
            : base(server, "showusers", "查看当前在线的用户列表 showusers [count]")
        {

        }
 public XShellCommandBase(DeployServer server, string name, string description)
     : base(name, description)
 {
     Server = server;
 }
        public Close(DeployServer server)
            : base(server, "close", "关闭服务器上指定的ID会话   close [sessionid]")
        {

        }
        public Backup(DeployServer server)
            : base(server, "backup", "发送备份命令到所有登录的会话")
        {

        }
        public List(DeployServer server)
            : base(server, "list", "列出当前服务器上指定数量的会话列表   list [count]")
        {

        }