Very useful VIM tutorial PDF.

This useful VIM tutorial PDF will teach you how to use the VIM editor on a UNIX or Linux system. http://www.securitronlinux.com/arma3/vim_revisited.pdf. This one has information about the VI editor. http://www.securitronlinux.com/arma3/why-why-vi.pdf. The above image contains the VI movement commands, allowing the user to move around the text file using the keyboard quickly. And this image is … Read more

Useful networking study resources for students.

Some useful networking resources. http://www.routeralley.com/ra/docs/tcp_udp.pdf TCP and UDP reference. http://www.razorpoint.com/PDF/Rz.PortsList.pdf TCP/IP Ports listing. This is very useful for reference. http://www.gasmi.net/tcp.php Another TCP ports listing in HTML. http://www.hardwaresecrets.com/article/431 An introduction to the OSI model and how the TCP/IP  Protocol works. http://www.protocols.com/pbook/tcpip1.htm A definition of common TCP/IP names. Intro to TCP/IP. TCP/IP and subnet masking explained. Kali … Read more