Ravi Sir's Cards › AWS
bash -n vs bash -x
What is a VPC: your own private network inside one AWS Region, example ThreeTierVpc 10.0.0.0/16.
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What this card says
Debug
bash -n
Syntax only.
bash -x
Runs and traces.
Key points
Safe, runs nothing.
Shows real values.
Example
bash -n x.sh
Use when
Before commit.
Find logic bugs.