CompTIA Linux+
CompTIA Linux+ certification provides a basic foundation for individuals to work and maintain Linux installations. Linux+ certification is valuable for those new to or currently working within the Linux operation system.
The Linux Professional Institute
The Linux Professional Institute Certification (LPIC) Program is the core certification program offered by the Linux Professional Institute (LPI). LPI offers three different certification tracks: an introductory Essentials Track, the Linux Professional Track, and an Open Technology Track for professionals working with additional technologies such as DevOps and BSD.