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The solution was to create a queue (or "spool") of documents to be printed and use a daemon (system process) to manage this queue and send the documents to the printer in the order in which they arrived. Such a system, with an lp command to send documents to the queue, was first introduced in 1973 in Version 4 of Unix. [2]
Since the RD (RMDIR) command can not delete a directory if the directory is not empty (except in Windows NT & 10), the DELTREE command can be used to delete the whole directory. The deltree command is included in certain versions of Microsoft Windows and MS-DOS operating systems .
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]
Schedule commands to be executed in a batch queue bc: Misc Mandatory Arbitrary-precision arithmetic language Version 6 AT&T UNIX bg: Process management Optional (UP) Run jobs in the background cc/c17: C programming Optional (CD) Compile standard C programs IEEE Std 1003.1-2024 cal: Misc Optional (XSI) Print a calendar Version 5 AT&T UNIX cat ...
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.
Michael Sweet, who owned Easy Software Products, started developing CUPS in 1997 and the first public betas appeared in 1999. [4] [5] The original design of CUPS used the Line Printer Daemon protocol (LPD), but due to limitations in LPD and vendor incompatibilities, the Internet Printing Protocol (IPP) was chosen instead.
TurboDOS is a multi user CP/M like operating system for the Z80 and 8086 CPUs developed by Software 2000 Inc. . It was released around 1982 for S100 bus based systems such as the NorthStar Horizon and the Commercial Systems line of the multiprocessor systems including the CSI-50, CSI-75, SCI-100 and CSI-150.
The Windows CE 3.0 net command. In computing, net is a command in IBM OS/2 (including eComStation and ArcaOS), Microsoft Windows, ReactOS and Greentea OS used to manage and configure the operating system from the command-line. It is also part of the IBM PC Network Program for DOS. [1]