Linux CLI - Pipes and Redirection
Which command chaining operator runs the second command only if the first command succeeds?
Which command chaining operator runs the second command only if the first command succeeds?
easy📝 Conceptual Q1 of 15
Step-by-Step Solution
Solution:
Step 1: Understand the meaning of && operator
The && operator runs the second command only if the first command returns success (exit code 0).Step 2: Compare with other operators
The || operator runs the second command only if the first fails, and ; runs both regardless. | is a pipe, not chaining.Final Answer:
The && operator runs the second command only if the first succeeds. -> Option BQuick Check:
Success-based chaining = && [OK]
Quick Trick: Use && to run next command only on success [OK]
Common Mistakes:
- Confusing && with ||
- Using ; expecting conditional execution
- Thinking | is chaining operator
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