Shell steps (sh, bat) in Jenkins - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is the purpose of the sh step in a Jenkins pipeline?

The sh step runs shell commands on Unix/Linux agents within a Jenkins pipeline.

beginner

How do you run a batch script on a Windows agent in Jenkins pipeline?

Use the bat step to run batch commands or scripts on Windows agents.

beginner

What is the difference between sh and bat steps in Jenkins?

sh runs shell commands on Unix/Linux agents, while bat runs batch commands on Windows agents.

intermediate

How can you capture the output of a shell command in Jenkins pipeline using sh?

Use def output = sh(script: 'command', returnStdout: true).trim() to capture and trim the output.

intermediate

What happens if a command run by sh or bat fails in Jenkins pipeline?

The pipeline step fails and the build stops unless you handle errors explicitly.

Which Jenkins pipeline step runs shell commands on Linux agents?

A cmd

B bat

C powershell

D sh

The sh step is used to run shell commands on Unix/Linux agents.

Which step should you use to run Windows batch commands in Jenkins pipeline?

A sh

B bat

C bash

D shell

The bat step runs batch commands on Windows agents.

How do you get the output of a shell command in Jenkins pipeline?

A bat(script: 'cmd', returnOutput: true)

B sh('cmd')

C sh(script: 'cmd', returnStdout: true)

D bat('cmd')

Use sh(script: 'cmd', returnStdout: true) to capture output from shell commands.

What happens if a shell command fails in Jenkins pipeline without error handling?

A The pipeline step fails and build stops

B The pipeline continues

C The command is retried automatically

D The error is ignored

By default, a failed shell or batch command causes the pipeline step to fail and stops the build.

Which of these is NOT a valid Jenkins pipeline shell step?

A cmd

B bat

C powershell

D sh

cmd is not a Jenkins pipeline step; use bat for Windows batch commands.

Explain how to run shell commands on Linux and batch commands on Windows in Jenkins pipelines.

Think about the agent OS and matching step.

Describe how to capture the output of a shell command in Jenkins pipeline and why it might be useful.

Focus on the <code>sh</code> step options.