Which of the following commands correctly uses a here string to count the number of words in "hello world"?

easy🧠 Conceptual Q2 of 15

Bash Scripting - Text Processing in Scripts

Awc -w < "hello world"

Bwc -w <<< "hello world"

Cwc -w << "hello world"

Dwc -w > "hello world"

Step-by-Step Solution

Solution:

Step 1: Identify correct here string syntax
The correct syntax for here string is <<<, so wc -w <<< "hello world" is correct.
Step 2: Understand other redirection operators
<< is a here document, < is input redirection from file, and > is output redirection.
Final Answer:
wc -w <<< "hello world" -> Option B
Quick Check:
Here string syntax = wc -w <<< string [OK]

Quick Trick: Use <<< for here strings, not << or < [OK]

Common Mistakes:

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