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Which of the following is the correct **basic** syntax to compare two files file1.txt and file2.txt using diff?

easy📝 Syntax Q12 of 15
Linux CLI - Viewing and Editing Files
Which of the following is the correct **basic** syntax to compare two files file1.txt and file2.txt using diff?
Adiff file1.txt file2.txt
Bdiff -c file1.txt file2.txt
Cdiff file1.txt > file2.txt
Ddiff -r file1.txt file2.txt
Step-by-Step Solution
Solution:

  1. Step 1: Identify basic diff syntax

    The basic syntax to compare two files is diff file1 file2.

  2. Step 2: Understand options

    diff -c file1.txt file2.txt uses -c (context), which is valid but not basic syntax. diff file1.txt > file2.txt redirects output incorrectly. diff -r file1.txt file2.txt (-r) is for directories.

  3. Final Answer:

    diff file1.txt file2.txt -> Option A

  4. Quick Check:

    Basic diff syntax [OK]
Quick Trick: Basic diff syntax: diff file1 file2 [OK]
Common Mistakes:
MISTAKES
  • Using redirection instead of arguments
  • Confusing directory options with file comparison
  • Adding unnecessary flags for simple comparison

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