# Top 50 Bash Scripting Interview Questions for DevOps & SRE Engineers in 2026

DevFeed: [Top 50 Bash Scripting Interview Questions for DevOps & SRE Engineers in 2026](<https://devfeed.tech/articles/top-50-bash-scripting-interview-questions-for-devops-sre-engineers-in-2026-88483.md>)

Original publisher: [Read original article](<https://blog.devops.dev/top-50-bash-scripting-interview-questions-for-devops-sre-engineers-in-2026-8b732ca39d01?source=rss----33f8b2d9a328---4>)

Author: Arvind Verma

Published: 2026-10-16T09:12:14Z

Content type: tutorial

Language: en

Sources: [DevOps.dev](<https://devfeed.tech/sources/devops-dev.md>)

Topics: [Bash](<https://devfeed.tech/topics/bash.md>), [DevOps](<https://devfeed.tech/topics/devops.md>), [CI/CD](<https://devfeed.tech/topics/cicd.md>)

Tags: [ai](<https://devfeed.tech/tags/ai.md>), [aws](<https://devfeed.tech/tags/aws.md>), [bash](<https://devfeed.tech/tags/bash.md>), [devops](<https://devfeed.tech/tags/devops.md>), [docker](<https://devfeed.tech/tags/docker.md>), [kubernetes](<https://devfeed.tech/tags/kubernetes.md>), [scripting](<https://devfeed.tech/tags/scripting.md>), [sre](<https://devfeed.tech/tags/sre.md>)

## AI overview

This guide presents 50 Bash scripting interview questions for DevOps and SRE roles, covering shell fundamentals, Linux operations, failure handling, APIs, AWS CLI, Kubernetes, deployment validation, and incident troubleshooting. It emphasizes safe production automation through input validation, timeouts, bounded retries, logging, cleanup, and testing.

## Source excerpt

Bash interviews in 2026 are increasingly less about remembering obscure syntax and more about one thing: Can you write a Bash script that safely automates a real production task? A DevOps engineer may be asked to troubleshoot a Linux server, rotate logs, validate deployments, monitor disk usage, process thousands of files, interact with APIs, automate AWS CLI operations, handle failures, or investigate a production incident. Knowing what for and if mean is not enough. Production has a rather annoying habit of adding failure conditions. 😄 This guide follows the same 8-part interview framework for every question: 🧠 Simple Concept ❓ Why do we need it? ⚙ How does it work? 🏢 Production Example 💻 Command / Code 🚨 Common Interview Trap 🎯 Candidate-Style Answer 🧠 Memory Trick 📘 SECTION 1: BASH FUNDAMENTALS & SCRIPT STRUCTURE1. What is Bash scripting?🧠 Simple Concept Bash scripting means writing a sequence of Linux commands and shell logic inside a script so repetitive tasks can be automated. ❓ Why do we need it? Instead of manually executing: df -h systemctl status nginx ps aux grep ERROR application.log every day, we can automate the workflow. ⚙ How does it work?Bash Script ↓ Shell interprets commands ↓ Linux executes commands ↓ Output / Exit Status🏢 Production Example A daily health-check script checks: Disk utilization Memory CPU Services Application processes Important log errors 💻 Command / Code#!/bin/bashecho "Server Health Check"hostname uptime df -h free -m🚨 Common Interview Trap Thinking Bash is only useful for running commands. Bash also provides: Variables Conditions Loops Functions Arrays Exit codes Process control Text processing 🎯 Candidate-Style Answer"Bash scripting allows me to automate Linux operational tasks by combining shell commands with programming constructs such as variables, conditions, loops, functions and error handling."🧠 Memory Trick Commands + Logic = Bash Automation 2. What is a shebang?🧠 Simple Concept The shebang tells the operating syste