Bash Scripting - Variables
Which command correctly sets an environment variable in Bash so that it is available to child processes?
Which command correctly sets an environment variable in Bash so that it is available to child processes?
easy🧠 Conceptual Q2 of 15
Step-by-Step Solution
Solution:
Step 1: Identify how to set environment variables
In Bash, to make a variable available to child processes, you must export it using the 'export' command.Step 2: Check other options
Assigning without export creates a local variable; 'local' is for function scope; 'set' is for shell options, not variables.Final Answer:
export MYVAR=value -> Option AQuick Check:
Export command sets environment variables [OK]
Quick Trick: Use 'export' to share variables with child processes [OK]
Common Mistakes:
MISTAKES- Forgetting to use 'export' for environment variables
- Using 'local' outside functions
- Using 'set' to assign variables
Master "Variables" in Bash Scripting
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