Red Hat, an IBM subsidiary specializing in computer software, offers different level of certification programs, most of which specialize in system administration. Certifications can be validated through Red Hat webpage,[1] and expire after 3 years.[2]
 | This article needs to be updated. (August 2023) |
- ^ "Verify a Red Hat Certified Professional - redhat.com". www.redhat.com.
- ^ "Linux Learning Centre – Certification Validity". linuxlearningcentre.com. Archived from the original on 2014-06-12.