Interview Q&A / Linux & Shell
Linux & Shell interview questions
Permissions, processes, pipes and the commands you are expected to know cold.
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- How do you read the output of systemctl status?
The header shows Loaded (unit file path and whether it is enabled) and Active (running, inactive or failed, with how long). Below come the main PID, memory and CPU use, the process tree and the last log lines, which usually reveal why a service failed.
BeginnerQuick answer1 min read