This Linux Online Test
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About the test

The Linux online test assesses candidates' knowledge of the Linux operating system and its programming using the Bash scripting language.

It's ideal for pre-employment screening. A good backend developer or Linux system administrator should be familiar with Linux as it's the most widely used server operating system.

This online test requires candidates to answer multiple-choice questions about the Linux kernel and its command line utilities.

Sample public questions

3 min
Linux Administration

You are the sysadmin of a Linux server that uses local passwords for authentication.

Two members of the team were assigned to work on the server: Ashley, who needs to change her username, and Peter, who already has a user account but forgot his password.

What steps should you do so Ashley and Peter are able to login to the server using their new credentials?

3 min
Environmental Variable

The PATH variable is set in /etc/environment: 


And updated in .bash_profile:

export PATH=/usr/temp:$PATH:/usr/local/apps

Select the statements are correct.

3 min
Linux Administration

Your company has a Linux computer with a directory named debug_programs intended for developers only.

The following needs to be done:

  • debug_programs should only be accessible to users in the developers group.
  • Alex should be removed from the developers group because he left the company.
  • Confirm that the new developers Cynthia, Emma, and Justin belong to the developers group.

What should be done to satisfy the requirements above?

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Skills and topics tested

  • Linux Administration
  • Permissions
  • Processes
  • Bash
  • Conditions
  • Conditional Statements
  • Iteration
  • File
  • Symbolic Links
  • Environmental Variable
  • File System
  • Searching
  • Unix Pipelines
  • Compression
  • Strings
  • Authorization
  • Disk Partitioning
  • Random
  • Filesystem Hierarchy Standard
  • Logging
  • Firewall
  • DNS

For job roles

  • Back-End Developer
  • Bash Developer
  • Linux System Administrator
  • Network Administrator

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