Welcome to Online Tech Tips A blog that provide readers with daily computer tutorials, technology news, software reviews, and personal computing tips. First, we will use an old DOS command, called subst, that allows you to assign a drive letter to any folder in Windows. If it can't mount the drive then ls will fail @Adriano I don't get any errors. Add a string (REG_SZ) value to: Set the name of the value to the drive letter (e.g. On the Installation Options screen, select the check boxes for the Program Shortcuts you want to install and click Next. [3] The command is similar to floating drives, a more general concept in operating systems of Digital Research origin, including CP/M-86 2.x, Personal CP/M-86 2.x, Concurrent DOS, Multiuser DOS, System Manager 7, REAL/32, as well as DOS Plus and DR DOS (up to 6.0). HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\DOS Devices. Typing the /P or /PF argument you run the tool with the extended features to work with persistent virtual disks: Print all virtual persistent drives (read from the registry). By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Select the drive letter from the drop downmenu and enter the path to the folder manually or browse for it by pressing the magnifying glass on the right. Setting Windows PowerShell environment variables, PowerShell says "execution of scripts is disabled on this system. Ive not often forced to use Windows, but this has just saved me so much effort! Open Regedit and navigate to the following key: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run. Once in place, go to the command prompt (Start, Run, CMD or just type CMD into the search box) and start creating virtual drives. Syntax SUBST drive_letter: path SUBST SUBST drive_letter: /D Key SUBST with no parameters will display current SUBST drives /D : Delete the drive_letter substitution. If you wan to create a persistent one, just the /P argument as shown: So to create a persistent virtual hard drive (Z) to the Outlook data folder I mentioned above, I would issue the following command: Now your new drive will show up as a local disk in My Computer: Clicking on the disk will bring your directly into the Outlook folder. It needs to define a name of disk and path. Just highlight an entry and press Remove to delete the drive and free up the letter. This feature simplifies an access to objects on a disk. You can easily make your own batch script with just a couple of lines but this ready made script called Psubst is more Advanced. Anyone else have that problem? Usage: PSUBST works like the Windows SUBST command, but the drive substitution is persistent (i.e., when the machine is restarted). Click the button below to subscribe! devenv.exe). In algorithms for matrix multiplication (eg Strassen), why do we say n is equal to the number of rows and not the number of elements in both matrices? Tried many tip, but your SUBST solution is the only one that worked within powershell scripts ! Server Fault is a question and answer site for system and network administrators. Have been working in dos for long time but never knew about it. Create the proper registry keys for the SUBST drive letter; Create the proper registry keys for the host drive letter (optional, works around the host drive label override caveat); Re-create the SUBST drive to see label changes applied. Then it came more difficult, so changed to virtualdrive 2000, and then using daemon tools or nero image drive. If not, subst displays the following error message: Invalid parameter - drive1: To create a virtual drive z for the path b:\user\betty\forms, type: Instead of typing the full path, you can reach this directory by typing the letter of the virtual drive followed by a colon as follows: More info about Internet Explorer and Microsoft Edge. This is the command syntax in Windows XP to associate a path with a drive letter: This means that, for example, to map C:'s root to X:, the following command would be used at the command-line interface: Upon doing this, a new drive called X: would appear under the My Computer virtual folder in Windows Explorer. This way is definitely the elegant way of doing it. e.g. When you double click the computer name, you'll see a list of shares including the folder you just shared. Letter of recommendation contains wrong name of journal, how will this hurt my application? D:. The user must log off and back on for the changes to take effect. It is much more convenient to access my files directly as. Mapping folders to drive letters can save you a lot of time and Visual Subst makes adding virtual drives easy. For example, to run services? The subst command lets you substitute a virtual drive letter for another drive letter on your computer. Note: Trying to match up a new seat for my bicycle and having difficulty finding one that will work. For example, to run services? Hi Raymond, you made me remember years ago when i used subst to fake first games that used cdrom. How to automatically classify a sentence or text based on its context? A .vhdx virtual drive can be set up to only consume space when data is written to it. 1. vSubst is a small, portable tool weighing in at only 18KB in size. How can I set a batch file to run when Windows XP starts up? Persistent mapping of folders per Windows user? I then tried using a .reg file: Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\DOS Devices] MS-DOS 3.1x and above Windows 95 Windows 98 Windows ME Windows NT Windows 2000 How dry does a rock/metal vocal have to be during recording? What to do? Open an unelevated cmd window as the current user, and paste in the adapted line. 1) with msconfig.exe. Creating a persistent virtual drive in Windows using psubstis very easy. Please help, \SYSTEM\CurrentControlSet\Control\Session Manager\DOS Devices], \SOFTWARE\Microsoft\Windows\CurrentVersion\Run], DR DOS 6.0 User Guide Optimisation and Configuration Tips, "FreeDOS 1.2 Updates Group - FreeDOS Base", "Windows - How to make SUBST mapping persistent across reboots? Thanks for contributing an answer to Server Fault! It needs to define the name of the disk and path. This option is not recommended for inexperienced users. Right clickon Run > New > String Value. To make a persistent redirection, you can edit the registry. 32-bit processes understand subst command, 64-bit need something else. I didn't know about that, +1, I'll be using it.. that's the way to go - unfortunately, there are several cases where a subst'ed drive doesn't get properly recognized. http://www.ntwind.com/software/utilities/visual-subst.html. In the past, I used Drive Manager Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. It means that incorrect examples described earlier in this article will work always incorrect input arguments will be transformed to the required format and the command will execute substitution successfully. 4. Founder of Help Desk Geek and managing editor. This works in Windows XP, haven't tested it in other versions. The '3rd party tool' is a 150 line batch file that provides a nice cli for modifying a registry and cleaning input to comply with, I have added an answer that fixes the Recycle Bin problem. Did you enjoy this tip? http://networkadminkb.com/KB/a446/how-to-use-drive-letters-mount-points-the-same-disk-drive.aspx, information compiled from this TechNet article, Microsoft Azure joins Collectives on Stack Overflow. Map a Folder to a Drive Letter in Windows, What Is An Instagram Story & How To Make One. The relative to this thematic registry key is HKEY_LOCAL_MACHINE\SYSTEM\MountedDevices. The Persistent SUBST command (psubst) software seems to be darn handy, and they provide a solution to run it from startup: https://code.google.com/p/psubst/#Inconstancy. This next method has a couple of advantages over the Subst command. Which of the above methods did you use to map the drive? Since oldest times in Windows there is admirable feature to map some path with name of a virtual drive using the SUBST command. When the setup is completed, click Close. If used without parameters, subst displays the names of the virtual drives in effect. Answer is yes! The computer must be rebooted for the changes to take effect. There is system feature to start a virtual disk from the system Renaming volume created via "DOS Devices" registry key? However, if you don't need access at the original location then a virtual drive may be a useful alternative. There is also a visual subst applet out there. It's a command used for substituting local paths on physical and logical drives, known as virtual drives. Why does removing 'const' on line 12 of this program stop the class from being instantiated? With hard drives having such huge capacities these days, its not unheard of for some people to have millions of files spread across their system. Running your SUBST command in a NON-elevated command prompt should solve your problem. Associates a path with a drive letter and extends the standard SUBST command allowing to create persistent substituted drives between startups. Can you run it multiple times in one shell? Software installations may not work correctly, because the Config.msi directory created by the windows installer can not be accessed properly. That code looks quite good. Looking to protect enchantment in Mono Black, Two parallel diagonal lines on a Schengen passport stamp. I'm used to having a separate D:\ drive for my projects, but partitions cause problems when one runs out of space while there is still plenty on the other. M: ), then the data to: So whats the problem with using the SUBST command? Has anyone noticed this behavior and possibly found a workaround? We only send useful stuff! To select the Z: drive is enough. To learn more, see our tips on writing great answers. Click the button below to subscribe! Browse to the drive of the folder you want to map. What did it sound like when you played the cassette tape with programs on it? Psubst [Drive:] [Pathtofolder] /P (e.g. [6] The Windows SUBST command is available in supported versions of the command line interpreter cmd.exe. The mapped folders display as Hard Disk Drives in Windows Explorer. Source: http://networkadminkb.com/KB/a446/how-to-use-drive-letters-mount-points-the-same-disk-drive.aspx. 2) check registry "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\DOS Devices" and see if you have a Z: command there. [7] In Windows NT, SUBST uses DefineDosDevice() to create the disk mappings. When you have a lot of files it is really important that everything is stored in awell ordered directory structure so files can be found more easily. psubst is a nifty little program that you can use to create persistent substituted drive in Windows that will remain even after restarting. Temporary stub when the physical drive is missing; Operational system limitation for the size of filename (for example, 256 characters); Working of some application within own space; the path should not be trailed by a backslash; the root path should be ended by a backslash. Connect and share knowledge within a single location that is structured and easy to search. How Intuit improves security, latency, and development velocity with a Site Maintenance - Friday, January 20, 2023 02:00 - 05:00 UTC (Thursday, Jan Use of ChatGPT is now banned on Super User, Map folder as drive permanently in Windows. When the next system starting, the virtual disk will be established. Otherwise, use Computername which isthe computers name. We cover Windows, Mac, software and apps, and have a bunch of troubleshooting tips and how-to videos.
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