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Given the following script, why does the output come out as an empty line instead of "dog"()#!/bin/ksh  $VAR=dog  echo "${VAR}"

  • A、The $VAR variable was not exported.
  • B、The $VAR should have been set as VAR.
  • C、dog needs double quotes around it when setting $VAR.
  • D、The { } should not be around VAR in the echo command.

参考答案

更多 “ Given the following script, why does the output come out as an empty line instead of "dog"()#!/bin/ksh  $VAR=dog  echo "${VAR}"A、The $VAR variable was not exported.B、The $VAR should have been set as VAR.C、dog needs double quotes around it when setting $VAR.D、The { } should not be around VAR in the echo command.” 相关考题
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