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  1. hackr.io
    https://hackr.io/blog/best-linux-certifications

    9 Best Linux Certifications in 2024 (Updated Guide) - Hackr

  2. comptia.org
    https://www.comptia.org/blog/best-certifications-for-linux

    The best Linux certifications for 2024 - CompTIA

  3. coursera.org
    https://www.coursera.org/courses?query=operating system

    Best Operating System Courses Online with Certificates [2024] | Coursera

  4. linuxfoundation.org
    https://training.linuxfoundation.org/certification-catalog

    Certification Catalog - Linux Foundation

  5. indeed.com
    https://www.indeed.com/.../system-administrator-certifications

    9 Popular System Administrator Certifications To Consider

  6. linkedin.com
    https://www.linkedin.com/advice/1/what-best-operating-system...

    Best Operating System Certifications for IT Professionals - LinkedIn

  7. comptia.org
    https://www.comptia.org/certifications/a

    A+ (Plus) Certification | CompTIA IT Certifications

  8. comptia.org
    https://www.comptia.org/certifications/linux

    Linux+ (Plus) Certification | CompTIA IT Certifications

  9. coursera.org
    https://www.coursera.org/articles/essential-it-certifications...

    10 Essential IT Certifications for 2025 - Coursera

  10. computerscience.org
    https://www.computerscience.org/degrees/certifications

    Best Computer Certifications for Tech Professionals