List of DOS commands: Difference between revisions

Revision as of 12:19, 29 December 2022

Revision as of 14:49, 23 January 2023

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In MS-DOS; <kbd>filelink</kbd> in DR-DOS.

Network PCs using a [[null modem]] cable or [[LapLink cable]]. The server-side version of InterLnk, it also immobilizes the machine it's running on as it is an active app (As opposed to a [[Terminate terminate-and-stay-resident Stay Resident|TSRprogram]] app) which must be running for any transfer to take place. DR-DOS' <kbd>filelink</kbd> is executed on both the client and server.

New in PC DOS 5.02, MS-DOS 6.0.<ref name="murdock" /><ref name="RUNNINGMSDOS" />

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=== MEMMAKER ===

Starting with version 6,<ref name="RUNNINGMSDOS" /> MS-DOS included the external program MemMaker which was used to free system memory (especially [[Conventional memory]]) by automatically reconfiguring the [[AUTOEXEC.BAT]] and [[CONFIG.SYS]] files. This was usually done by moving [[Terminate and stay resident program|TSR programs]] and [[device driver]]s to the [[Upper memory area|upper memory]]. The whole process required two system restarts. Before the first restart the user was asked whether to enable [[Expanded memory|EMS Memory]], since use of expanded memory required a reserved 64KiB region in upper memory. The first restart inserted the SIZER.EXE program which gauged the memory needed by each TSR or Driver. MemMaker would then calculate the optimal Driver and TSR placement in upper memory and modify the AUTOEXEC.BAT and CONFIG.SYS accordingly, and reboot the second time.<ref>{{cite book | title = Using MS-DOS 6.22 | first = Jim | last = Cooper | publisher = [[Que Publishing]] | page = 455 | isbn = 0789725738 | date = May 2001 | url = https://books.google.com/books?id=u7oN-5y7nGsC&q=configuring+memory+with+memmaker+cooper&pg=PA455}}</ref>

MEMMAKER.EXE and SIZER.EXE were developed for Microsoft by [[Helix Software Company]] and were eliminated starting in [[MS-DOS 7]] ([[Windows 95]]); however, they could be obtained from Microsoft's FTP server as part of the OLDDOS.EXE package, alongside other tools.

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=== MSHERC ===

{{Expand section|date=May 2019}}

The MSHERC.COM (also QBHERC.COM) was a TSR (Terminate and Stay Resident) graphics driver supplied with Microsoft QuickC, QuickBASIC, and the C Compiler, to allow use of the Hercules adapter high-resolution graphics capability (720 x 348, 2 colors).<ref>https://www.pcjs.org/pubs/pc/reference/microsoft/kb/Q44273/ {{Dead link|date=February 2022}}</ref>

=== NLSFUNC ===

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{{See also|ver (command)}}

SetVer is a [[Terminate and stay resident program|TSR]] program designed to return a different value to the version of DOS that is running. This allows programs that look for a specific version of DOS to run under a different DOS.

The command is available in MS-DOS versions 5 and later.<ref name="RUNNINGMSDOS" />

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{{Main|Undeletion}}

Restores file previously deleted with <kbd>del</kbd>. By default all recoverable files in the working directory are restored; options are used to change this behavior. If the MS-DOS <kbd>mirror</kbd> [[Terminate and stay resident program|TSR]] program is used, then deletion tracking files are created and can be used by <kbd>undelete</kbd>.

The command is available in MS-DOS versions 5 and later.<ref name="RUNNINGMSDOS" />

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{{Main|MSAV}}

A [[Terminate and stay resident program|TSR]] program that continuously monitors the computer for viruses.

The command is available in MS-DOS versions 6 and later.<ref name="RUNNINGMSDOS" />