Ravi Sir's Cards › AWS
w vs who
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
Sessions
w
Users plus load and command.
who
Just users and login time.
Key points
Shows idle time.
-b shows last boot.
Example
w
Use when
Before a restart.
Quick audit.