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Updated weekly · Last refresh Sep 12

Top 50 linux Interview Questions

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

50questions
~8htotal time
65companies covered
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1
CodingStart here. 9 questions · ~83 min
Reverse Array and String ConstructionMedium
Practice

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

DebuggingArray ManipulationlinuxCisco Restaurant + Bar
Linux Path SimplificationEasy
Practice
Recently asked

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

linuxMeta
Shell Script for Log CleanupMedium
Practice

Generate a Bash log-cleanup script using functions and loops, with support for dry-run mode and safe file checks.

shell scriptingAutomationlinuxInfosys
Processes vs Threads in LinuxMedium
Recently asked

Tests your understanding of concurrency primitives and how they affect resource sharing and scheduling.

processeslinuxVir InnovationsMastercardAkamai
Processes vs Threads in LinuxMedium

Tests your understanding of Linux concurrency concepts relevant to debugging and performance work.

linuxXebia
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2
Behavioral & Leadership7 questions · ~64 min
Explaining Technical Confidence HonestlyEasy
Recently asked

Tests honest self-assessment and technical communication when describing proficiency across Linux, VMware, and Windows.

windowstechnical experiencelinuxJohns Hopkins Applied Physics LaboratoryThe AmeripriseChetu
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3
Security & Infrastructure30 questions · ~275 min
Performance Bottleneck Troubleshooting on RHELHard

Diagnose severe RHEL performance degradation safely using OS telemetry, workload isolation, and security-aware incident response.

DebuggingOperating Systemsos internalsAdobe
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4
More topics4 questions · ~37 min
Troubleshooting Linux and DatabasesMedium
Recently asked

Evaluates technical troubleshooting breadth across Linux, web, and database issues for customer support.

linuxTroubleshootingGitLab
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