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Linux Foundation LFCS Exam Overview:
| Certification Vendor: | Linux Foundation |
|---|---|
| Exam Name: | Linux Foundation Certified System Administrator (LFCS) |
| Exam Number: | LFCS |
| Exam Format: | No multiple-choice questions, Performance-based, Command-line tasks |
| Available Languages: | English, Simplified Chinese, German, Japanese |
| Real Exam Qty: | 17–20 tasks |
| Passing Score: | 67% |
| Exam Duration: | 120 minutes |
| Exam Price: | $445 USD |
| Related Certifications: | Linux Foundation Certified Engineer (LFCE) |
| Certificate Validity Period: | 2 years |
| Recommended Training: | LFCS Exam Simulator by Killer.sh LFS207: Linux System Administration Essentials |
| Exam Registration: | Linux Foundation Certification Portal |
| Sample Questions: |  |
| Exam Way: | Online, remotely proctored via PSI Bridge |
| Pre Condition: | No mandatory prerequisites; recommended basic Linux command line experience |
| Official Syllabus URL: | https://training.linuxfoundation.org/certification/linux-foundation-certified-sysadmin-lfcs/ |
Linux Foundation LFCS Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Storage Management | 20% | - Swap space configuration - LVM configuration and administration - Filesystem creation, mounting and maintenance - Remote storage and network filesystems - Auto-mount filesystems - Storage monitoring and troubleshooting |
| Topic 2: Operations and Deployment | 25% | - Container operations basics - Process management and scheduling - Boot process and system startup - Service management with systemd - Kernel modules and runtime configuration - Software installation and package management |
| Topic 3: Users and Groups | 10% | - LDAP user authentication configuration - Environment profiles and shell configuration - User resource limits - Access Control Lists (ACLs) - Create and manage user and group accounts |
| Topic 4: Essential Commands | 20% | - System monitoring and performance analysis - Text processing and regular expressions - File permissions and ownership - Bash shell navigation and scripting basics - File and directory management - Basic Git operations |
| Topic 5: Networking | 25% | - IPv4 and IPv6 configuration - Static routing and network bonding/bridging - OpenSSH server and client setup - Hostname resolution and DNS configuration - Time synchronization with NTP - Firewall rules, packet filtering and NAT |
Linux Foundation Certified System Administrator Exam FAQ: What Candidates Ask Most
What is the Linux Foundation LFCS exam?
The LFCS exam is the official Linux Foundation exam behind the Linux Foundation Certified System Administrator certification, validating the skills measured by the Linux Foundation Certified System Administrator credential. It sits at the Associate / Intermediate level of the Linux Foundation certification program. It also connects to Linux Foundation Certified Engineer (LFCE), so the knowledge you build here carries over to those tracks as well.
How many questions are on the LFCS exam, and how much time do I get?
The LFCS exam contains 17–20 tasks questions to be completed within 120 minutes. Before exam day, divide the available time by the question count to work out a comfortable per-question pace, and mark any item that eats into it so you can return later instead of getting stuck. Timed sessions in the Getcertkey test engines make that pacing automatic — run at least two full-length mock exams under the clock so time pressure never becomes the reason you drop points.
What score do I need to pass the LFCS exam, and what does it cost?
The passing score for the LFCS exam is 67%, and the official registration fee is $445 USD. Retakes are not discounted — every new attempt means paying the full fee again — so it pays to measure yourself before you book. Work through the 260 practice questions on Getcertkey, sit a timed practice test, and schedule your exam only when your scores are consistently comfortable. That simple habit is the cheapest exam strategy there is.
Are there any prerequisites for the LFCS exam?
No mandatory prerequisites; recommended basic Linux command line experience Requirements can change when Linux Foundation revises its certification program, so confirm the current eligibility rules on the official exam page before you register.
How do I register for the LFCS exam?
You can book the Linux Foundation Certified System Administrator exam through the official registration channels below:
As for delivery, the exam is offered in the following format: Online, remotely proctored via PSI Bridge. Choose the option that suits you best when you book your seat.
What official training is recommended for the LFCS exam?
Linux Foundation recommends the following training resources for the Linux Foundation Certified System Administrator exam:
Official courses build the foundation; the 260 practice questions from Getcertkey then show you how that knowledge is examined, so the two work best together.
Can I try the LFCS practice questions before I buy?
Yes. Getcertkey provides a free LFCS PDF demo so you can review the question style and answer quality before purchasing. Every purchase also includes 365 days of free updates — if Linux Foundation revises the exam during that period, the updated material reaches you at no cost. Once the free-update year ends, you can extend your update service at a 50% discount.
What if I fail the LFCS exam, and how is my order delivered?
Every Linux Foundation Certified System Administrator purchase on Getcertkey is covered by a 100% money-back guarantee with clear conditions: if you take the corresponding exam within 60 days of your purchase and do not pass, you can claim a full refund by submitting a scanned copy of your exam enrollment slip and your official score report as a PDF within two days of the exam date; claims are processed within seven days of submission. The guarantee does not apply to exams taken within three days of purchase, to material that was downloaded but never used in an exam attempt, or to free products and expired orders, and the candidate name must match the payer name. If you would rather not take a refund, you can instead exchange your purchase for two free exam preparation products of equal value and keep the update service on your original product.
Delivery is instant: your download is sent to your email within one minute of payment, with no limit on how many computers you may install the material on. If nothing arrives within two hours, check your spam folder and contact customer service for help.
What topics are covered in the LFCS exam?
The Linux Foundation Certified System Administrator exam blueprint is organized into 5 domains. The first three are:
- Essential Commands — 20% of the exam
- Operations and Deployment — 25% of the exam
- Users and Groups — 10% of the exam
For the complete domain-by-domain breakdown, scroll up to the full exam topics outline above and use it to plan how you distribute your study time.
Linux Foundation Certified System Administrator Sample Questions:
Question #1
In order to display all currently mounted filesystems, which of the following commands could be used? (Choose TWO correct answers.)
A. cat /proc/self/mounts
B. cat /proc/filesystems
C. free
D. mount
E. lsmounts
Question #2
Which of the following commands can be used to create a USB storage media from a disk image?
A. fdisk
B. cc
C. gdisk
D. dd
E. mount
Question #3
Which of the following commands preloads and manages keys that are used for automatic authentication while logging in to other machines using SSH?
A. sshd
B. ssh-keygen
C. ssh-agent
D. ssh-add
Question #4
CORRECT TEXT
What argument to the -type option of find will match files that are symbolic links? (Specify only the argument and no other options or words.)
Question #5
Which of the following characters can be combined with a separator string in order to read from the current input source until the separator string, which is on a separate line and withoutany trailing spaces, is reached?
A. <|
B. <<
C. !<
D. &<
Solutions:
| Question #1 Correct Answer: A,D | Question #2 Correct Answer: D | Question #3 Correct Answer: C | Question #4 Correct Answer: Only visible for members | Question #5 Correct Answer: B |
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