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Which of the following is the correct way to shift the first three positional parameters in a bash script?

easy📝 Syntax Q3 of 15
Bash Scripting - User Input
Which of the following is the correct way to shift the first three positional parameters in a bash script?
Ashift 1 2 3
Bshift -3
Cshift 3
Dshift three
Step-by-Step Solution
Solution:

  1. Step 1: Syntax of shift

    The shift command optionally takes a single numeric argument indicating how many positions to shift.

  2. Step 2: Shifting three arguments

    To shift three arguments, use shift 3.

  3. Final Answer:

    shift 3 -> Option C

  4. Quick Check:

    shift accepts only one numeric argument [OK]
Quick Trick: Use 'shift N' to shift N arguments [OK]
Common Mistakes:
MISTAKES
  • Using negative numbers with shift
  • Passing multiple numbers to shift
  • Using words instead of numbers

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