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  2. Forwarding (object-oriented programming) - Wikipedia

    en.wikipedia.org/wiki/Forwarding_(object...

    In this Java example, the Printer class has a print method. This print method, rather than performing the print itself, forwards to an object of class RealPrinter. To the outside world it appears that the Printer object is doing the print, but the RealPrinter object is the one actually doing the work.

  3. CUPS - Wikipedia

    en.wikipedia.org/wiki/CUPS

    a Print Dialog box, which allows printer properties to be modified; a Print Manager, which allows management of printers, such as adding and removing printers, through an Add Printer Wizard; a Job Viewer/Manager, which manages printer jobs, such as hold/release, cancel and move to another printer; a CUPS configuration module (integrated into KDE)

  4. List of printing protocols - Wikipedia

    en.wikipedia.org/wiki/List_of_printing_protocols

    A printing protocol is a protocol for communication between client devices (computers, mobile phones, tablets, etc.) and printers (or print servers).It allows clients to submit one or more print jobs to the printer or print server, and perform tasks such as querying the status of a printer, obtaining the status of print jobs, or cancelling individual print jobs.

  5. Internet Printing Protocol - Wikipedia

    en.wikipedia.org/wiki/Internet_Printing_Protocol

    The Internet Printing Protocol (IPP) is a specialized communication protocol used between client devices (computers, mobile phones, tablets, etc.) and printers (or print servers). The protocol allows clients to submit one or more print jobs to the network-attached printer or print server, and perform tasks such as querying the status of a ...

  6. ASA carriage control characters - Wikipedia

    en.wikipedia.org/wiki/ASA_carriage_control...

    ASA control characters are simple printing command characters used to control the movement of paper through line printers. These commands are presented as special characters in the first column of each text line to be printed, and affect how the paper is advanced before the line is printed. The remainder of the line is printed starting in the ...

  7. Line Printer Daemon protocol - Wikipedia

    en.wikipedia.org/wiki/Line_Printer_Daemon_protocol

    The Line Printer Daemon protocol/Line Printer Remote protocol (or LPD, LPR) is a network printing protocol for submitting print jobs to a remote printer. The original implementation of LPD was in the Berkeley printing system in the BSD UNIX operating system; the LPRng project also supports that protocol.

  8. Print emails in AOL Mail

    help.aol.com/articles/print-emails-in-new-aol-mail

    Save a physical copy of important emails you've sent or received. Check out how to print emails and attachments in AOL Mail. 1. Open the email you'd like to print. 2. Click the Print icon. - A window will appear with your message. 2. Click the Print icon again. 3. Follow the browser prompts to finish printing.

  9. Standard streams - Wikipedia

    en.wikipedia.org/wiki/Standard_streams

    Standard input is a stream from which a program reads its input data. The program requests data transfers by use of the read operation. Not all programs require stream input.