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Which of the following is the correct syntax to unset a variable named myVar in bash?

easy📝 Syntax Q12 of 15
Bash Scripting - Variables
Which of the following is the correct syntax to unset a variable named myVar in bash?
Aunset =myVar
Bunset myVar
Cunset(myVar)
Dunset:myVar
Step-by-Step Solution
Solution:

  1. Step 1: Recall the syntax of unset command

    The correct syntax is simply unset variable_name without any symbols or parentheses.

  2. Step 2: Check each option

    unset myVar matches the correct syntax. Options B, C, and D use invalid characters or formats.

  3. Final Answer:

    unset myVar -> Option B

  4. Quick Check:

    Correct unset syntax = A [OK]
Quick Trick: Use 'unset variableName' without symbols or parentheses [OK]
Common Mistakes:
MISTAKES
  • Adding equal signs or parentheses
  • Using colons or other separators
  • Confusing unset syntax with function calls

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