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The command is available in MS-DOS versions 2 (1983) and later. [5] While the ultimate origins of using the three-character string CLS as the command to clear the screen likely predate Microsoft's use, this command was present before its MS-DOS usage, in the embedded ROM BASIC dialects Microsoft wrote for early 8-bit microcomputers (such as TRS-80 Color BASIC), where it served the same purpose.
The PRINT command adds or removes files in the print queue. This command was introduced in MS-DOS version 2. [1] Before that there was no built-in support for background printing files. The user would usually use the copy command to copy files to LPT1.
The Unix command clear takes no arguments and is roughly analogous to the command cls on a number of other operating systems. In ISO 9995-7 specifies that the following symbol be used to indicate this function on a keyboard, which is included in Unicode as: ⎚ CLEAR SCREEN SYMBOL. [2] One may use the reset command to erase every previous command.
The print command allowed specifying one of many possible local printer interfaces, [23] and could make use of networked printers using the net command. [24] A maximum number of files and a maximum buffer size could be specified, and further command-line options allowed adding and removing files from the queue. [23]
Ctrl+⇧ Shift+⌘ Cmd+3: Ctrl+Print Screen: Ctrl+Show Windows: Copy screenshot of active window to clipboard Alt+Print Screen: Ctrl+Alt+Print Screen: Save screenshot of window as file ⇧ Shift+⌘ Cmd+4 then Space then move mouse and click: Alt+Print Screen : Ctrl+Alt+Show Windows then move mouse and click Copy screenshot of window to ...
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)
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Note that the LPD queue name is case sensitive. Some modern implementations of LPD on network printers might ignore the case or queue name altogether and send all jobs to the same printer. Others have the option to automatically create a new queue when a print job with a new queue name is received. This helps to simplify the setup of the LPD ...