MS-DOS was the most popular operating system for desktop PCs until the mid-1990s. Do not use this tag for questions about Windows command line programs or scripts.

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Identifying old backup file type

I've got a set of backup disks made on a DOS-5/Win31 system on 7/25/95, according to the time/date stamps. Each disk contains a single file, each of which has the same name: c950725c.0??. There are 51 ...
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2answers
50 views

Script to do a mirror copy

I have adapted a script to find "bookmarks." in the chrome profiles. but I have about 4 profiles. Profile 1, Profile 2, Profile 3, Profile 4. is there a way to create the found "bookmarks." to go ...
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41 views

Connect from MS-DOS to shared folder

I have problem with connecting to shared folder from MS-DOS. I can easily connect to it from Windows 7. The system I am working on was migrated. Before both computers were in domain and communication ...
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2answers
799 views

In Windows Explorer, why can we create a folder or file with the percent symbol, if the percent symbol is reserved for variables?

Go to Windows Explorer, and create a folder named %systemdrive%. Now, open a command prompt, and try to go to the folder you just created. You can't, because there are percent symbols in the folder ...
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1answer
51 views

How do I auto turn-off a DOS ONLY machine using software? The PC has NO POWER SWITCH

I have an old PC that has no power switch (it's a long story). It is running DOS 6.20. I am looking for an interrupt call or anything to turn off the computer using software as I need it to turn off ...
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1answer
56 views

How to differentiate between NT Windows and User Windows? I got all mixed up

I got a confusion in Older Version of Windows for example how to differentiate between NT Windows 3.1 & User Windows 1.01 to 3.11, Windows 95, 98 etc. I simple words I am mixing User and NT ...
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2answers
66 views

How to recover files from dead windows using dos?

I am using windows 7. My windows is not loading. I want to recover some files using dos commands, Is that possible anymore?
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3answers
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How to install MSDOS from floppy to harddrive?

I have a bootable MSDos system. I would like to install it on the current PC so that I can boot from HDD instead of Floppy. How can I do that? I am doing this in virtualbox, but a general solution ...
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10 views

Transfer variable to virtual machine with VirtualBox

I intend to run a number of identical machines in VirtualBox (potentially a quite large amount). To simplify maintenance I want them to use the same boot disk and mount the same network share. The ...
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13 views

Convert volume paths to MS-DOS drive names

I've registered for a callback which returns path to a file in this format: \device\harddiskvolume2\windows\system32\... How can I convert it to a more readable and informative format like: c:\...
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47 views

How do I install MS-DOS6.22.exe in a Virtual Machine

I downloaded a version of MS-DOS 6.22 from Microsoft's DreamSpark website to run inside a virtual machine but found that the file is a EXE and not format the VM will except. I tried to format it into ...
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1answer
76 views

my command prompt defaulting to H drive and not changing to C drive

When i open my command prompt it defaults to my H drive and when i use cd /c: its not changing to the C drive. Please need help I have tried the following commands regsvr32 /u msolap.dll Thanks
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2answers
71 views

Is it possible to print from a DOS application to google cloud printer?

My friend is using an old, custom-developed, DOS application to print data (he's using an old parallel printer) I was able to connect his office to google cloud print, but this DOS application is ...
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1answer
26 views

¿BUG? can not create file with '=' via command line ECHO and COPY CON

WHERE is the documentation that explains the apparently anomalous behaviour of the equal sign below? STEPS TO REPRODUCE (at a command prompt): example with ECHO: H:\BUGS>echo abc > a-b.txt H:\...
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1answer
28 views

Can i use DOS 6.22 as guest OS in Visual Studio VMWare Live Debugging mode.?

I am using Windows 7 32 bit OS as host OS, using Visual studio 2010 for C++ code development purpose and installed DOS 6.22 under VMWare 10. now i want to use DOS 6.22 (Guest OS) for Live Debugging ...
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102 views

Printing over USB in FreeDOS 1.1

I was hired by a small business to upgrade their computer system and have run into a very complex issue that no one else on the internet has battled quite like I have. I'm at my wits end. If any of ...
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1answer
35 views

How to Mount Guest DOS OS with HOST OS.?

I am newbie to VM concept. actually i have installed DOS6.22 under virtualbox and using 32bit windows 7 OS as HOST Operating System, now i want to copy some folders/files from HOST OS to DOS6.22 Guest ...
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45 views

Format error on Flash Drive on Windows 8.1

Firstly I ran command prompt as an Administrator. when I am trying to format Kingston 32 GB pen drive (Flash drive) and it's getting following error. Please advise. Error DiskPart has encountered ...
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2answers
77 views

MSDOS 4.0 string manipulation?

Due to very old hardware I'm forced to run Windows 3.1 that controls the plotter. The software I'm using creates a .bat file with this line in it: SPLOT.EXE/fmyfile.uc c:\myfile.plt the /f - is a ...
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1answer
24 views

DosBox - special letters and Caps Lock

There's one problem I have with all major builds of Dosbox (Daum and Megabuild). With Caps lock enabled, I get capital letters from English alphabet, but in order to write capitals in German, French, ...
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1answer
46 views

How do I find keyloggers and other hidden biles/processes from the command line in windows 8.1? [closed]

I have noticed a great number of system "Glitches" as of late. Recently while poking around explorer, i believe in my system32 dir, i noticed that every time I entered a subdirectory and existing to ...
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1answer
44 views

How is DOS able to resume after running a real-mode flat memory model program?

Let's go back to the 70s and 80s. With a real-mode flat memory model, a program has full control of 64K of memory. This means that, after DOS launches it, the program can overwrite memory that DOS ...
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1answer
36 views

Windows cmd copy not working as I expect

I am used to using linux command line so a little unfamilar with windows dos. I am trying to add a copy file line into my script but it is not working. So I tried the same thing on the cmd promt and ...
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2answers
48 views

Revamping old DOS games for a modern system [closed]

I have a bunch of old DOS based games I would like to run on modern windows without an emulator like DOSbox and as a stand alone program. I noticed that back then piracy wasn't as big of a problem as ...
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1answer
102 views

Getting the list of command history using Clink

I recently installed Clink and I'm quite happy with the history being kept in between session and the ability to search history using Ctrl+R / Ctrl-S. However, I would very much like to have access ...
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32 views

MS-DOS show a list of excecuted commands

I'm trying to see a list of commands which are executed in windows once I run a specific function within an application. So for example, if I was to use Ms Word to save a file, I would like to see a ...
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1answer
58 views

Scaling up an old dos game to fit my screen? win7

It is Oregon Trail 1.2 downloaded from myabandonware.com. The game works fine but the 4.3 aspect ratio of it makes for a tiny game window. It works straight out of the box on win7, so no dosbox needed....
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9 views

How to run DOS commands in background with Aptech Gauss

I am using some old scripts written in the Gauss statistic language (by Aptech). I launch a bunch of dos commands (as copy, start etc) from this Gauss scripts. The problem is that I have never been ...
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1answer
108 views

How i can make my own DOS(Disk Operating System) distribution? [closed]

So, i am making a batch file OS project in Windows, and i want to make it run under DOS. I want to make my own custom distribution of DOS that i can use as a shell of my project. I tried to find a ...
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44 views

How can I make a batch file wait a specified time between one command and the next in DOS 5.00?

How can I make my batch file pause before executing the next command? I found a few solutions, but none of them seem to work in DOS 5.00. Thanks in advance for any help. (By the way, I am using iDOS/...
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1answer
156 views

Batch script to merge files using copy command in numerical order

Would appreciate it if anyone can help me with this request. I need a dynamic batch script which can do the below command for ANY number of files: Copy 1.txt + 2.txt + 3.txt + 4.txt newfile.txt If ...
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1answer
81 views

How to set an USB drive as a local drive using CMD?

I'm trying to hide the data on my USB drive. I've come up with the idea to hide everything in a second partition, which Windows would not recognize. Then, in the first partition, there would be a ...
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1answer
113 views

How to write protect your USB drive using MS DOS ATTRIB?

I'm trying to write protect my USB drive with a batch file. I've learnt that it is possible to do so with ATTRIB +R. The drive switches it's drive letter since it's used on multiple computers. I've ...
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34 views

Boot DOS in High Memory

I have burned a bootable disk which contains MS-DOS with the RAM drive, himem.sys. Even though, I still cannot boot it on computer with 4GB memory or more. After that, I burned a Windows 98 Live CD, ...
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3answers
93 views

How do I set a variable (by prompt) in MSDOS 7.1

In CMD, I could do Set /P ASK=REPEAT and it would prompt the user for ASK. How do I do this in MSDOS Batch Files? (No, no the ones that run on NT, but the ones that run on MSDOS.) Btw: 'Set /P' is an ...
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1answer
27 views

Adding a modification to an EXE in DOS(box)?

I am trying to make an EXE addition work in Dosbox, and with that I mean the following; I used to run an old game in XP, it worked (mostly) but now in Win 8 it doesnt anymore. So I fired up Dosbox ...
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1answer
340 views

How to make AppData directory appear in File Explorer?

This post outlines how to make the AppData directory show up at the DOS prompt, but how do I make it show up in File Explorer (on Windows 7 Home Premium 64-bit)? Is there a global setting? Also, what ...
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1answer
203 views

Where can I find samples of MS-DOS/Win9x Viruses to record/test?

Since MS-DOS and Win9x are basically oldies now, I think it's safe to ask this question. Where can I, as a YouTuber, find MS-DOS and/or Windows 95/98 viruses on the internet? I would like to record ...
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1answer
140 views

Forwarding host OS USB drives to guest as hard drive in Oracle VirtualBox

I have DOS 6.22 running in Oracle VirtualBox. Now to the question; is it possible to forward USB drives on the host OS to the guest OS (DOS) as a hard drive? So instead of using a disk image, you ...
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1answer
77 views

DOS Find duplicate files between two disk drives

I have two drives, lets say driveA (F:) and driveB (G:). I had once copied all of the contents of driveB into driveA. But after that the driveB has some new files and folders added to it. I would like ...
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24 views

Windows directory data from backed up PC is showing as a regular file

I have a backup of data that was copied from an old PC circa-2001/2002 (probably Windows 2000 or even Windows 98). I don't recall the details but I believe this data may have been xcopy'd from an ...
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2answers
140 views

How would I make a bootable USB, that runs a cmd-like environment, and all its commands?

My aim: To create standalone bootable USB drive, that can run CMD, or run something that can execute all standard Windows Commands. What I know so far: That I can use Rufus to make a bootable MS-...
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1answer
58 views

How can I restore my Windows system after the PC is booted into DOS from USB drive?

My PC with Windows Vista failed to boot. The screen showed that the boot device was not found. I think the boot area of the hard drive was damaged. Then I created a boot USB drive with DOS system, and ...
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1answer
73 views

Is there a similar command like COLOR in MS-DOS?

MS-DOS 6.22 is running. Who needs Windows 10? I know that upon starting there is a possibility to change the foreground and background color of the MS-DOS environment. But is this also possible when ...
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29 views

How to check if a flash drive has been unplugged?

I'm booting FreeDOS (C:\) and then use ISOLINUX to load some stuff into the RAM (A:\). DOS is then being booted and has access to the memory drive. AUTOEXEC.BAT then switches to the memory drive and ...
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3answers
642 views

How to load an ISO file into RAM and boot MS-DOS from it?

I don't have much experience in doing this, so I'm here to ask for help. My problem is: I want to load an ISO into my RAM from an USB flash drive. Included in that ISO should be a running MS-DOS (...
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1answer
26 views

Concerning terminal pagers

more < doc.txt I understand that the above command will display the contents of the doc.txt file until it fills up the screen. I can, then, go down one line at a time with the arrow keys or keep ...
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4answers
219 views

How To Format A Disk Image To Be Recognized By MS-DOS?

I'm trying to emulate windows with bochs on my android device. I've got the following drives: an empty disk image to install windows on, a virtual vvfat drive with the setup files, and a cdrom drive ...
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1answer
277 views

How to omit characters at the beginning of a file name while renaming it in DOS?

I would like to know how to omit the first character of a file name while renaming the file in DOS. In my case I have bunch of files like: #test1.txt #test2.txt #test3.txt #test4.txt #test5.txt I ...
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Ms-dos 6.22 not letting me save a file via edit program

I can't seem to save a file from the edit command on MS-DOS I have 3 directories: A B R I am running MS-DOS from VirtualBox (Could this be affecting it?) When I attempt to save the file on the A ...