Linux CLI - Pipes and Redirection
Which command appends the output of
date to a file named log.txt without deleting existing content?Which command appends the output of date to a file named log.txt without deleting existing content?
easy📝 Conceptual Q2 of 15
Step-by-Step Solution
Solution:
Step 1: Identify the append operator
The '>>' operator appends output to a file without deleting existing content.Step 2: Match command with append operator
'date >> log.txt' appends the current date and time to log.txt.Final Answer:
date >> log.txt -> Option DQuick Check:
Append redirection = A [OK]
Quick Trick: Use '>>' to add output to file without erasing [OK]
Common Mistakes:
- Using '>' which overwrites file
- Using pipe '|' incorrectly with file
- Using '<' which is input redirection
Master "Pipes and Redirection" in Linux CLI
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