Nios SDk Shell can't display my inputs

Hello,

1.

But where can i find .elf file? just as a "zImage_std_2c35"?

I did "nios2-download -g zImage_0818 " and "nios2-terminal".

I got into the uclinux.

But my programme not a linux app.which is just a windows app and can run

well in my vc++6 and nios ide 6.

2.And how long does jtag_uart keep work well?

thanks!