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Learn about different protocols for communication between client devices and printers, such as LPD, IPP, AppSocket, SMB, AirPrint, and more. Compare their features, advantages, and disadvantages for various scenarios and platforms.
Print Screen (or Prt Sc) is a key on most PC keyboards that can capture the screen or a window. Learn about its original and modern use, different combinations, and alternative methods on Windows, Mac, and Linux.
A comprehensive list of keyboard shortcuts for various operating systems and applications, such as Windows, macOS, Linux, Emacs, Vim, and ChromeOS. Compare and learn how to use different keystrokes to perform common actions and commands.
Print emails, attachments, and websites. Save a hard copy of important emails, email attachments, and websites by printing them. When you print an email, only the text will show. Attachments, such as pictures or documents, need to be downloaded and printed separately. Print an email
Keyboard shortcuts make it easier and quicker to perform some simple tasks in your AOL Mail. Access all shortcuts by pressing shift+? on your keyboard.. All shortcuts are formatted for Windows computers, but most will work on a Mac by substituting Cmd for Ctrl or Option for Alt.
IPP is a protocol for communication between client devices and printers over HTTP. It supports access control, authentication, encryption, and various document formats. IPP uses TCP port 631 and is the basis of several printer certification programs.
echo is a command that outputs the strings that are passed to it as arguments. It is used in various operating system shells and scripts to display text or as part of a pipeline. Learn about its history, implementations and variations across different systems.
Learn about the print command, a computing feature that allows single-user print spooling in various operating systems. Find out its history, implementation, options, and examples in different platforms.