How often does ? match the preceding expression in a regular expression?
Correct Answer:
D
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Consider the following file legalfile:
disclosure
non-disclosure
non disclosure
Which line or lines in the file does the following command match? Note the space after the dash within the brackets. grep "non[- ]disclosure" legalfile
Correct Answer:
E
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Which command shows all processes owned by the user bob?
Correct Answer:
B
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Which of the following excerpts is a valid if condition in the Bourne shell?
Correct Answer:
B
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