Linux_FoundationLinux_Foundation
LFCS · Question #812
LFCS Question #812: Real Exam Question with Answer & Explanation
Sign in or unlock LFCS to reveal the answer and full explanation for question #812. The question stem and answer options stay visible for context.
Submitted by hans_de· Apr 18, 2026Essential Commands
Question
Which of the following commands will reduce all consecutive spaces down to a single space?
Options
- Atr '\s' ' ' < a.txt > b.txt
- Btr -c ' ' < a.txt > b.txt
- Ctr -d ' ' < a.txt > b.txt
- Dtr -r ' ' '\n' < a.txt > b.txt
- Etr -s ' ' < a.txt > b.txt
Unlock LFCS to see the answer
You've previewed enough free LFCS questions. Unlock LFCS for full answers, explanations, the timed quiz mode, progress tracking, and the master PDF. Question stem and options stay visible so you can still see what's on the exam.
Topics
#tr command#text processing#command line utilities