[Solved] Which of the following is the correct way to define a bash function named display? - Ans: display() { echo "Hello"; } | Bash Scripting

Bash Scripting - Functions

Which of the following is the correct way to define a bash function named display?

Afunction display echo "Hello"

Bdisplay() { echo "Hello"; }

Cdef display() { echo "Hello"; }

Ddisplay { echo "Hello"; }

Step-by-Step Solution

Solution:

Step 1: Identify valid bash function syntax
Bash functions can be defined using the syntax name() { commands; }.
Step 2: Evaluate options
display() { echo "Hello"; } uses the correct syntax with parentheses and braces. function display echo "Hello" misses braces and uses incorrect syntax. def display() { echo "Hello"; } uses Python-like def which is invalid in bash. display { echo "Hello"; } misses parentheses.
Final Answer:
display() { echo "Hello"; } -> Option B
Quick Check:
Function syntax requires parentheses and braces [OK]

Quick Trick: Use name() { commands; } for bash functions [OK]

Common Mistakes:

MISTAKES

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Which of the following is the correct way to define a bash function named display?