Linux CLI - Pipes and Redirection
Which of the following is the correct syntax to use the pipe operator to list files and then count them?
Which of the following is the correct syntax to use the pipe operator to list files and then count them?
easy📝 Syntax Q12 of 15
Step-by-Step Solution
Solution:
Step 1: Identify correct pipe syntax
The pipe operator is|, which connects commands by passing output to input.Step 2: Check command usage
ls | wc -llists files and counts lines, which is correct syntax.Final Answer:
ls | wc -l -> Option DQuick Check:
Pipe syntax uses | between commands [OK]
Quick Trick: Use single | to pipe commands, not > or & [OK]
Common Mistakes:
- Using > which redirects output to file
- Using & which runs commands in background
- Using || which is logical OR, not pipe
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