CSCI-UA 4 Study Guide - Final Guide: Simple Mail Transfer Protocol, Joint Photographic Experts Group, Hypertext Transfer Protocol
6 Jan 2018
School
Department
Course
Professor
Document Summary
Courant institute of mathematical sciences - new york university. Rgb = red green blue - (color mode for screens) Cmyk = cyan magenta yellow black (color more for print) Cc = clockwise (used for rotation of graphics) Ccw = counterclockwise (used for rotation of graphics) Http = hypertext transfer protocol (port 80) Https = hypertext transfer protocol secure (port 8080) Ftp = file transfer protocol (port 21) Sftp = secure transfer protocol (port 22) Smtp = simple mail transfer protocol (port 25) Pop = post of ice protocol (port 110) Imap = internet message access protocol (port 143) There are 65,535 available ports in a computer"s transport layer, but only 1024 ports are reserved by convention for services. We use it in the terminal by typing: We use it to operate the computer system, it does the same and more than when simply using the gui: unix commands to review:
