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A computer running CUPS is a host that can accept print jobs from client computers, process them, and send them to the appropriate printer. CUPS consists of a print spooler and scheduler, a filter system that converts the print data to a format that the printer will understand, and a backend system that sends this data to the print device.
Windows 7 and Server 2008 R2 introduce print driver isolation, which improves the reliability of the print spooler by running printer drivers in a separate process to the spooler service. If a third party print driver fails while isolated, it does not impact other drivers or the print spooler service.
A computer running CUPS is a host that can accept print jobs from client computers, process them, and send them to the appropriate printer. Printer drivers are typically implemented as filters . They are usually named the front end of the printing system, while the printer spoolers constitute the back end .
[2] [5] The vulnerability occurred within the print spooler service. [6] [7] There were two variants, one permitting remote code execution (CVE-2021-34527), and the other leading to privilege escalation (CVE-2021-1675). [7] [8] A third vulnerability (CVE-2021-34481) was announced July 15, 2021, and upgraded to remote code execution by Microsoft ...
A dedicated program, the spooler, maintains an orderly sequence of jobs for the peripheral and feeds it data at its own rate. Conversely, for slow input peripherals, such as a card reader , a spooler can maintain a sequence of computational jobs waiting for data, starting each job when all of the relevant input is available; see batch processing .
Note that the printer itself is not necessary to be wireless. AirPrint is a feature in Apple Inc.'s macOS and iOS operating systems for printing via a wireless LAN (Wi-Fi), [5] [6] either directly to AirPrint-compatible printers, or to non-compatible shared printers by way of a computer running Microsoft Windows, Linux, [7] or macOS.
The XPS spooler format is the intended replacement for the Enhanced Metafile (EMF) format which is the print spooler format in the Graphics Device Interface (GDI) print path. [22] XPS is an XML -based (more specifically XAML -based) color-managed device and resolution independent vector-based paged document format which encapsulates an exact ...
Client implementation of the Remote Desktop Protocol; allows a user to securely connect to a computer running Terminal Services (Remote Desktop on Windows XP and Server 2003) and interact with a full desktop environment on that machine, including support for remoting of printers, audio, and drives.