[Solved] What is the main purpose of using trap in a bash script? - Ans: To run specific commands when the script exits or receives signals | Bash Scripting

Bash Scripting - Error Handling

What is the main purpose of using trap in a bash script?

ATo define functions inside the script

BTo create loops that repeat commands

CTo run specific commands when the script exits or receives signals

DTo declare variables with default values

Step-by-Step Solution

Solution:

Step 1: Understand the role of trap
The trap command is designed to catch signals or script exit events and run commands in response.
Step 2: Compare options with trap's purpose
Options B, C, and D describe other bash features unrelated to trap. Only To run specific commands when the script exits or receives signals correctly describes its purpose.
Final Answer:
To run specific commands when the script exits or receives signals -> Option C
Quick Check:
trap runs commands on exit/signals = A [OK]

Quick Trick: Trap runs cleanup commands on exit or signals [OK]

Common Mistakes:

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