Enhancement for CTE: The Create View wizard lets the user who . 1. How does the number of copies affect the diamond distance? If you want the mapping to work all the time, a simple solution is to run Subst automatically during every boot. Asking for help, clarification, or responding to other answers. Here's a PowerShell command to make that registry key: the advantage to the reg key versus the batch file is that it sets the subst drive before any other startup commands run, in case some of those need the subst drive to function, @Ivo: I'd call it a healthy fear of the unknown ;), If doing this in regedit, make sure to use single backslashes. ", https://en.wikipedia.org/w/index.php?title=SUBST&oldid=1131911285, Short description is different from Wikidata, Articles needing cleanup from January 2021, Articles with unsourced statements from January 2009, Creative Commons Attribution-ShareAlike License 3.0. DR DOS 6.0 includes an implementation of the SUBST command. Now browse the network to your computer name. This is not a tremendous difference for small files or occasional use -- not like going over the actual network to another 'server' -- but it is significant. Click cmd.exe in the results to open the command prompt window. There's an answer in the page you linked to. Use the SUBST command to substitute a drive letter for a path in order to treat a virtual drive (a reserved area rather than an actual disk drive) as a physical drive. If there are folders that you access frequently, this post shows you how to quickly access these folders in Windows Explorer without having to enter the full path to the folder. Renaming volume created via "DOS Devices" registry key? Some versions of MS-DOS COMMAND.COM support the undocumented internal TRUENAME command which can display the "true name" of a file, i.e. Syntax subst [<drive1>: [<drive2>:]<path>] subst <drive1>: /d Parameters Remarks The following commands don't work and must not be used on drives specified in the subst command: chkdsk command diskcomp command diskcopy command format command label command I disagree on the "limit of development" comment, as all changes I made were to make the use even more simple and easy after I encountered several problems using PSUBST. In linux I would do this with a bind mount. 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. Thanks for contributing an answer to Stack Overflow! 2. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. This way is definitely the elegant way of doing it. Stick it in a logon or startup script then, and it'll be happily persistent. MS-DOS 3.1x and above Windows 95 Windows 98 Windows ME Windows NT Windows 2000 [7] In Windows NT, SUBST uses DefineDosDevice() to create the disk mappings. Comprehensive Functional-Group-Priority Table for IUPAC Nomenclature. If it can't mount the drive then ls will fail @Adriano I don't get any errors. For the path to the folder you can use either Localhost or the Computername like the method above. Stopping electric arcs between layers in PCB - big PCB burn, Transforming non-normal data to be normal in R, Vanishing of a product of cyclotomic polynomials in characteristic 2. one that truly represents a share from another machine on the network): the deleted file does not go to the recycle bin (its fully deleted). Register. Software installations may not work correctly, because the Config.msi directory created by the windows installer can not be accessed properly. Ever create a substituted drive in Windows before? Because PSUBST needs to write to the HKLM registry hive, PSUBST must be run in an . It also shows up anywhere that Explorer is used like Open dialogs,Save as dialogs, etc. Upon rebooting, the mapping will show in Explorer in the list of hard drives. Create a new registry entry "String Value" in the following key: The name should be "X:" where X is the drive letter. ", Executing an EXE file using a PowerShell script. So that, for example, if you currently boot from "D:\Windows" then you can edit the HKEY_LOCAL_MACHINE\SYSTEM\MountedDevices key of Windows that is installed in a "C:\Windows" folder, for an instance by doing the following actions: The easiest way to do this is to create a registry file (.reg), and double click the file to import the settings into the registry. Of the 26 drive letters available on your system, probably only a few are in use. "M" represents the drive letter to assign a custom label to. Note that I did not map to a folder on F, just to its root; that is, the registry string name is: For this example, we will assign a drive letter for the following folder: C:\Users\Lori Kaufman\Documents\My Work. An example.REG file of the above would be: [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\DOS Devices] Simply append /P:yes to make the drive persistent and force reconnect at logon. Great information! There is system feature to start a virtual disk from the system How dry does a rock/metal vocal have to be during recording? 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? Rename OneDrive for Business folder in Explorer, cmd equivalent to "cd ~" to change to C:\Users\\Documents\, Why is a subst drive usable from a command prompt but not Windows 7 explorer. Subst will constantly try to connect which can have an adverse effect on system performance. Right clickon Run > New > String Value. Since oldest times in Windows there is admirable feature to map some path with name of a virtual drive using the SUBST command. To unmap drive X: again, the following command needs to by typed at the command prompt: A custom label can[citation needed] be assigned to a drive letter created in this way by way of a registry key, which can be created by renaming (select "rename" from the drive letter context menu or press .mw-parser-output .keyboard-key{border:1px solid #aaa;border-radius:0.2em;box-shadow:0.1em 0.1em 0.2em rgba(0,0,0,0.1);background-color:#f9f9f9;background-image:linear-gradient(to bottom,#eee,#f9f9f9,#eee);color:#000;padding:0.1em 0.3em;font-family:inherit;font-size:0.85em}F2) the SUBST drive in Windows Explorer/My Computer. So I just tried the method wherein you edit the registry to make the virtual drive available early in boot. If so, check out our YouTube channel from our sister site Online Tech Tips. Use this same process to assign different drive letters to all your frequently used directories. Editted, please review. Subst is an external command that is available for the following Microsoft operating systems as subst.exe. Six DOS commands cannot be used with virtual drives created with the SUBST command. Tried many tip, but your SUBST solution is the only one that worked within powershell scripts ! Although a mapped drive should automatically appear the next time you logon, an extra argument can be added in case it doesnt. Welcome to Help Desk Geek- a blog full of tech tips from trusted tech experts. 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? Joey: That solution doesn't seem to work under Windows 7. However, I did come across this alternative, which although it doesn't use subst does answer for me the question, "How to make SUBST mapping persistent across reboots?" 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. e.g. U:\Folder\MyFile.docx. The virtual drive is added to the list. These examples can be adapted as required. To remove the mapped folder simply right click on its drive in Explorer and select Disconnect. Here are two examples using reg.exe to add the required entry to the Run Registry subkey of the HKEY_CURRENT_USER hive. Delete the mapped drive with the X button or save any changes to a current mapping with the disc icon. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. \??\F:\. Did you enjoy this tip? Our articles have been read over 150 million times since we launched in 2008. Double click on the name and for Value data enter the Subst command like above. Its not persistent! Then it came more difficult, so changed to virtualdrive 2000, and then using daemon tools or nero image drive. This page was last edited on 6 January 2023, at 10:32. In MS-DOS, the SUBST command was added with the release of MS-DOS 3.1. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. First, I edited the registry, but was unable to get it to work. Technician / Consultant 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. Open the Start menu and enter " cmd.exe " (without the quotes) in the Search programs and files box. 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. This next method has a couple of advantages over the Subst command. "ERROR: column "a" does not exist" when referencing column alias. ), it adds both. Your email address will not be published. subst m: c:\foo. Note: A disk can be created after startup. Add a string (REG_SZ) value to: HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\DOS Devices. This is because the subst command is permission specific, you can test this yourself if you try running it with an admin command prompt vs a standard one. Drop a batch file in your Startup folder that does all the SUBSTs that you want to do. You don't want to alias it, you just want to run it once at startup. Ive not often forced to use Windows, but this has just saved me so much effort! Forgot about the subst command, haven't used it in 10+ years! Click the red X button on the button bar. Required fields are marked *, Map a Folder to a Drive Letter for Quick and Easy Access, 5 Tools to get Quick Folder Access in Explorer Windows and Dialogs, How To Access Send To Folder in Windows 7 and Vista, Using Different Credentials to Access Shared Folders in Windows 7, Solutions to CD/DVD Drive Letter Missing from My Computer, How to Create and Access Shared Folders in Windows 7. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. On my system I am unable to change the volume label of a virtual drive even though the drive it is created from has no drive label, but there is a "for display only" workaround that works on my Windows 7 machine: Open My Computer, click on the virtual drive to highlight it, then wait a second, then click once on the drive letter. Package Approved. However, if you don't need access at the original location then a virtual drive may be a useful alternative. It only takes a minute to sign up. Follow asked Feb 26, 2013 at 15:46. guini guini. Thanks for trying it. As not everyone is a Windows expert, i figured the automatic admin elevation with error handling would help, based on coments I read through the web. An easy solution to get quick access to one of these folders is mapping it to a drive letter. Well, in keeping with my Persistent Subst command, I'll rename it to @psubst and add in support for whether a drive is SUBST'ed, Persistently SUBST'ed, or neither. rev2023.1.18.43176. Usage is quite simple, open a Command Prompt (press Start and type cmd). In testing I did for a performance issue (a couple of years back now) using the (locally) mounted network drive is also slower than using the file system (or subst etc.) Please, saying "A" say "B". Windows - is there a way to see what apps spawn/use which processes? By experiment, I found that Visual Subst utility (free download off the internet) adds 64-bit drive mapping in Windows 2012. So if you were to open an admin cmd and run the command: The drive will only be accessible with admin permissions. deleted files go to the recycle bin. SUBST is useful to give a short path to access a set of files. the net command or map network drive), that might be why. The DOS Devices mechanism that underlies subst can be set in registry. Thank you for your fast and detailed feedback.

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