Free CompTIA Linux+ Labs
Prepare for your CompTIA Linux+ certification with free practice labs from TestOut. Click on any of the "START LAB" buttons from the available labs below.
For a complete and comprehensive training experience, sign up for CompTIA Linux+ training today and get full access to every simulation listed below. In addition to lab simulations, you'll also get: text lessons, instructor-led videos, demonstrations, practice quizzes and full length practice exams. After the FREE 7 day trial, monthly training is only $79/month (reg $89). Use code: GOCERTIFY10 to save $10 each month. Cancel anytime.
Introduction
Manage Linux FilesSTART LAB
Using Linux
Get Help1
Get Help 2
Get Help 3
Create a New FileSTART LAB
Modify an Existing File
Use the Nano Editor
View Environment Variables
Find the Working Directory
View Directory Information
Find a Hidden Directory
Create Directories
Delete Directories
View the Contents of a File
View a List of Available Shells
Delete Files
Move Files
Delete Files and Directories
Create a Hard Link
Create a Symbolic Link
Boot and Shutdown
Set the GRUB Timeout
Configure Dual Boot
Change the Current TargetSTART LAB
Set the Default Boot Target
Manage System Services
Enable System Services at Boot
Software Installation
Install an RPM PackageSTART LAB
Remove an RPM Package
Update an RPM Package
Use DNF to Install an RPM Package
Use DNF to Remove an RPM Package
Users and Groups
View User Account Information
View Group Membership Information
Create a User AccountSTART LAB
Rename a User Account
Delete a User
Change Your Password
Change a User's Password
Lock and Unlock User Accounts
Rename and Create Groups
Add Users to a Group
Add a User to Additional Groups
Delete a Group and Users
Remove a User from a Group
Remove a User from All Groups
Disk and File System Management
View the MBR Partition Table
Create a Logical VolumeSTART LAB
Format a Hard Disk with ext3
Format a Hard Disk with ext4
Create a Swap Area
Mount a Volume
Unmount a Volume
Determine the Amount of Free Disk Space
Determine the Directory Size
Find the User Quota
Generate a Quota Report
Turn Quotas On
Turn Quotas Off
Edit Quotas 1
Edit Quotas 2
View Ownership Information
Change File Ownership
Change Group Ownership for a File
Change Directory Ownership
Set Directory Permissions
Add File Permissions
Set File Permissions
Enable Directory Browsing
Change the umask
Set the SUID Bit
Remove SUID and SGID Permissions
Create a Compressed tar File
Extract from tar Files
Hardware Installation
View /proc Information
Insert a Module into the KernelSTART LAB
Remove a Module from the Kernel
Processes and System Services
View Process Information
Stop a Zombie ProcessSTART LAB
Bring an Application to the Foreground
Configure Crontab
Print a File
Remove a Print Job
Networking
Start a NIC
Stop a NIC
Configure IP AddressesSTART LAB
Troubleshoot IP Configurations
Change Default Ports
Configure iptables
Use Ping and Traceroute
Find Path Information 1
Find Path Information 2
Troubleshoot Wireless Network Problems