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In bash scripting, what is the effect of using the >> operator with a command?

easy🧠 Conceptual Q1 of 15
Bash Scripting - File Operations in Scripts
In bash scripting, what is the effect of using the >> operator with a command?
AIt overwrites the file with the command's output, deleting previous content.
BIt appends the command's output to the specified file without deleting existing content.
CIt redirects the command's input from the specified file.
DIt executes the command in the background.
Step-by-Step Solution
Solution:

  1. Step 1: Understand the operator

    The >> operator in bash is used to append output to a file.

  2. Step 2: Effect on file content

    Unlike >, it does not overwrite but adds to the end of the file.

  3. Final Answer:

    It appends the command's output to the specified file without deleting existing content. -> Option B

  4. Quick Check:

    Appending preserves existing data [OK]
Quick Trick: >> appends output, > overwrites file [OK]
Common Mistakes:
MISTAKES
  • Confusing append (>>) with overwrite (>)
  • Thinking >> redirects input instead of output
  • Assuming >> runs commands in background

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