About Linux System Administration Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991, by Linus Torvalds. Linux is typically packaged in a Linux distribution. CCNA CCNA is an information technology certification from Cisco Systems. CCNA certification is an associate-level Cisco Career certification. The Cisco exams have changed several times in response to the changing IT trends. CCNP Cisco Certified Network Professional (CCNP) Routing and Switching certification validates the ability to plan, implement, verify and troubleshoot local and wide-area enterprise networks and work collaboratively with
…