Did the command you entered immediately before echo

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Reference no: EM132154704

Unix/ Linux Problem

(a) You type in echo $? into the terminal and it prints out 127. Did the command you entered immediately before echo $? execute successfully? If not, state the reason for the error.

(b) I have a directory called work. What is the first letter of the permission string for work?

Reference no: EM132154704

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