21 Mar Practice Test Question- Log Analysis
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Which one of the following commands, when used in its default configuration, will display the last ten lines of a specified log file?
A. Head
B. Grep
C. Tail
D. Cat
Correct Answer: C
The head command is used to display the first lines of a file, not the last ten. Which makes it an incorrect answer. The tail command is used to display the last lines of a file. By default, it displays ten lines, although this value is adjustable, so tail is our correct answer here. The grep command is used to search a file and the cat command is used to display an entire file, which makes them both incorrect answers.
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