shell??±?ifó?????ì×êμày

éè??ò???ìáê?ó??§????2?μ￥￡??ù?Yó??§??????DD2ù×÷oí??ê??￡

2?μ￥￡o1 ???ˉvi ±à?-?÷2 ???ˉx-windows  ,??è?í?D?????3.???ˉoóì¨′òó???3ì￡?4 ìáê?í?3?ctrl +c

#!/bin/bash                        //±íê?μ÷ó??′DD?·?3

#filename:qiantao                //?ü????±????t??

echo “please choose￡o￡¨1-3￡?or ^C)           //??ê???????

echo "1 vi "                                                    // ??ê?ê?3?1 ??

echo "2 x-windows"                                      //??ê?ê?3?2  x-windows

echo "3 print-file"                                           //??ê?ê?3?′òó?

echo "ctrl+c quit "                                            //??ê??áê??ì?Y?ü

read xyz                                                      //??ó??§μ?ê?è?±￡′??úxyz à?

if  [ $xyz = 1]                                               //ì??t?D??ê?·??a1 ??

then                                                            //if ?á11ó???

vi                                                              // ??ó?vi