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Updated weekly · Last refresh Nov 1

Top 50 linux Interview Questions

The most frequently asked linux questions across all roles and companies, ranked by real interview frequency. Updated daily.

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CodingStart here. 14 questions · ~179 min

Processes vs Threads in LinuxEasy

Practice

Recently asked

Group Linux task records by thread-group ID and distinguish each process leader from its threads.

Codingasync processingprocesses

Vir Innovations

Mastercard

Akamai

Linux Path SimplificationEasy

Practice

Recently asked

Normalize an absolute Linux path by resolving slashes, dots, and parent-directory references with a stack.

linux

Meta

Networking and Linux QuizMedium

Practice

Recently asked

Score networking and Linux quiz answers while grouping missed questions by topic using hash maps.

CodingNetworkingArrays

NVIDIA

Linux, Networking, and Coding QuestionsMedium

Practice

Recently asked

Sort IPv4 ranges and merge overlapping intervals in O(n log n) time.

CodingNetworkingArrays

NVIDIA

Linux, Networking, Python BasicsMedium

Practice

Recently asked

Evaluate coverage of Linux, networking, and class concepts using sets and ordered missing-topic detection.

bashCodingclean code

NVIDIA

Linux and OS Operations QuestionsHard

Practice

Recently asked

Produce a deterministic Linux process startup order using topological sorting, or report a dependency cycle.

dfsOperating Systemscycle detection

NVIDIA

Linux Terminal CommandsEasy

Practice

Recently asked

Map common Linux terminal commands to their standard purposes using a dictionary lookup.

bashCodingbasics

NVIDIA

Reverse Array and String ConstructionMedium

Practice

Recently asked

Reverse Cisco Restaurant + Bar display data in place and build the lexicographically smallest target from available origin characters.

DebuggingArray Manipulationlinux

Cisco Restaurant + Bar

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Technical Fundamentals6 questions · ~77 min

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Security & Infrastructure24 questions · ~306 min

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Execution3 questions · ~38 min

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