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About this interview
A technical interview on Linux and OS Fundamentals, pitched at the easy level. A voice AI interviewer leads the conversation, adapts its questions to your answers, keeps you on topic, and afterward gives you honest, specific feedback on where you were strong and where to improve. Expect roughly 30 minutes.
What you'll be assessed on
Explain the Linux boot process from power-on through init/systemd to login prompt
Describe process lifecycle, states, signals, and scheduler concepts including zombie and orphan processes
Reason about filesystems, inodes, file descriptors, pipes, and common mount options
Use standard troubleshooting tools (strace, lsof, netstat, sar, tcpdump) to diagnose live system issues
Understand memory management concepts: virtual memory, swap, OOM killer, cgroups, and huge pages
Topics covered
Boot ProcessProcess LifecycleFilesystemsTroubleshooting ToolsMemory Management
A few sample questions
Just examples to set expectations - the real interview has many more and adapts to your responses.
“At a high level, what happens from the moment you press the power button on a Linux server until you see a login prompt?
“What is a file descriptor in Linux? How are standard input, standard output, and standard error represented, and what happens when a process forks?
“What are cgroups and what problem do they solve? How do containers like Docker rely on them?