LFCS Question #279: Real Exam Question with Answer & Explanation

The correct answer is A: 1. The seq 1 5 20 command generates a sequence of numbers starting at 1, incrementing by 5, and stopping before exceeding 20.

Submitted by satoshi_tk· Apr 18, 2026Essential Commands

Question

Which of the following outputs will the below command produce? seq 1 5 20

Options

Explanation

The seq 1 5 20 command generates a sequence of numbers starting at 1, incrementing by 5, and stopping before exceeding 20.

Common mistakes.

B. The output includes more numbers than just '1', but '1' is the correct starting point.
C. The output includes more numbers than just '1', but '1' is the correct starting point.
D. The number 2 is not generated by this command; the sequence starts at 1 and increments by 5.
E. The number 5 is not generated by this command; the sequence starts at 1 and increments by 5.

Concept tested. seq command usage

Reference. https://man7.org/linux/man-pages/man1/seq.1.html

Topics

#seq command#sequence generation#shell utilities#command line basics

Community Discussion

No community discussion yet for this question.

Full LFCS Practice Browse All LFCS Questions