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A shell script foo contains the statement echo “$PATH $x”. Now define x=5 at the prompt,...

  1. A shell script foo contains the statement echo “$PATH $x”. Now define x=5 at the prompt, and then run the script. Explain your observations and how you can rectify the behavior.

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Expert Solution

The shell maintains a variable under PATH in its own environment.

PATH is set to a list of colon-delimited directories. You can display this list by simply evaluating the $-prefixed variable with the echo command:

Now I had been observe the differences between echo $PATH and x=5 echo "$PATH $x" is:

From above displaying value along with the path of different directories in environment.

venereology answered 7 months ago
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