Given files: file1.txt, file2.txt, fileA.txt, fileB.txt, what files does the pattern file?.txt match?

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Linux CLI - File and Directory Operations

Given files: file1.txt, file2.txt, fileA.txt, fileB.txt, what files does the pattern file?.txt match?

A<code>file1.txt, file2.txt</code>

B<code>file1.txt, file2.txt, fileA.txt, fileB.txt</code>

C<code>fileA.txt, fileB.txt</code>

D<code>file.txt</code>

Step-by-Step Solution

Solution:

Step 1: Understand the pattern file?.txt
The ? matches exactly one character, so it matches any file named 'file' plus one character plus '.txt'.
Step 2: Check which files match
All files with names 'file1.txt', 'file2.txt', 'fileA.txt', and 'fileB.txt' have exactly one character after 'file' before '.txt', so all match.
Final Answer:
file1.txt, file2.txt, fileA.txt, fileB.txt -> Option B
Quick Check:
? matches exactly one character [OK]

Quick Trick: Use ? to match exactly one character [OK]

Common Mistakes:

MISTAKES

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