A systems administrator is checking the system logs. The administrator wants to look at the last 20 lines of a log. Which of the following will execute the command?

The correct answer is B. tail -n 20. The tail command is used to display the end of a file. The -n flag specifies the number of lines to display. So tail -n 20 outputs the last 20 lines of a file or input. The -c flag specifies bytes (not lines), -v enables verbose header output (not line count), and -l is not a…

System Management

Question

A systems administrator is checking the system logs. The administrator wants to look at the last 20 lines of a log. Which of the following will execute the command?

Options

Atail -v 20
Btail -n 20
Ctail -c 20
Dtail -l 20

How the community answered

(37 responses)

A
3% (1)
B
92% (34)
C
5% (2)

Explanation

The tail command is used to display the end of a file. The -n flag specifies the number of lines to display. So tail -n 20 outputs the last 20 lines of a file or input. The -c flag specifies bytes (not lines), -v enables verbose header output (not line count), and -l is not a valid tail option. Therefore, the correct answer is B.

Topics

#Linux commands#Log management#File viewing#tail command

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