Посилання на джерела

1. https://www.guru99.com/difference-tcp-ip-vs-osi-model.html#:~:text=Key%20Difference%20Between%20TCP%2FIP%20and%20OSI%20Model&text=OSI%20header%20is%205%20bytes,IP%20follows%20a%20horizontal%20approach

2. https://ipcisco.com/lesson/network-ports/

3. http://www.tcpipguide.com/free/t_TCPIPClientEphemeralPortsandClientServerApplicatio-3.htm

4. https://serverspace.by/support/help/struktura-fajlovoj-sistemy-linux/

5. https://habr.com/ru/articles/469667/

6. https://linuxhint.com/top-5-open-source-shells-linux/

7. https://www.restapitutorial.com/httpstatuscodes.html