Ol_Nic is an online platform where you can find courses in programming and system administration. Courses on Ol_Nic are provided by experienced speakers and experts in their field. They consist of video lessons, homework assignments and tests to help students consolidate their knowledge.
Ol_Nic also has a feedback feature that allows students to ask questions of instructors and discuss course material in comments. This provides a deeper understanding of the topic and helps solve possible problems.
Overall, Ol_Nic is a great resource for those who want to learn programming and system administration in a convenient format. It offers a selection of courses in different topics and levels of difficulty, as well as flexibility in learning.