[Solved] What does the export command do in a Linux shell? — Ans: Makes a shell variable available to child processes | Linux CLI

Linux CLI - Environment and Configuration

What does the export command do in a Linux shell?

AMakes a shell variable available to child processes

BDeletes a shell variable permanently

CLists all files in the current directory

DChanges the current directory

Step-by-Step Solution

Solution:

Step 1: Understand shell variables and environment
Shell variables exist only in the current shell session unless exported.
Step 2: Role of export
The export command marks a variable to be passed to child processes as environment variables.
Final Answer:
Makes a shell variable available to child processes -> Option A
Quick Check:
export = share variable with child processes [OK]

Quick Trick: Export shares variables with child processes [OK]

Common Mistakes:

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