Bird
0
0

Which of the following is the correct syntax to start a here document that disables variable expansion using single quotes?

easy📝 Syntax Q3 of 15
Bash Scripting - Text Processing in Scripts
Which of the following is the correct syntax to start a here document that disables variable expansion using single quotes?
Acat <<'EOF'
Bcat <<"EOF"
Ccat <<EOF
Dcat <<-EOF
Step-by-Step Solution
Solution:

  1. Step 1: Understand quoting effect on variable expansion

    Single quotes around the delimiter disable variable expansion inside the here document.

  2. Step 2: Identify correct syntax

    Using <<'EOF' disables expansion, while unquoted or double quoted delimiters behave differently.

  3. Final Answer:

    cat <<'EOF' -> Option A

  4. Quick Check:

    Single-quoted delimiter disables expansion [OK]
Quick Trick: Use single quotes around delimiter to prevent variable expansion [OK]
Common Mistakes:
MISTAKES
  • Using unquoted delimiter expecting no expansion
  • Using double quotes instead of single quotes
  • Confusing <<- with quoting

Want More Practice?

15+ quiz questions · All difficulty levels · Free

Free Signup - Practice All Questions
More Bash Scripting Quizzes
Arrays - Indexed array declaration - Quiz 9hard Arrays - Indexed array declaration - Quiz 12easy Error Handling - Why error handling prevents silent failures - Quiz 5medium Error Handling - Why error handling prevents silent failures - Quiz 9hard File Operations in Scripts - Processing CSV files - Quiz 7medium Functions - Why functions organize reusable code - Quiz 3easy Functions - Return values (return and echo) - Quiz 1easy String Operations - Substring extraction (${var:offset:length}) - Quiz 14medium String Operations - String suffix removal (${var%pattern}) - Quiz 9hard Text Processing in Scripts - tr for character transformation - Quiz 5medium