Command Prompt / Console / Windows Subsystem for Linux (WSL)

Greetings from the Windows Command-Line Teams, including the Windows Console and Windows Subsystem for Linux (WSL) teams!

We’re hear to learn about the features you’d like to see in the Windows Console (the terminal app itself), Cmd and PowerShell shells, and the Windows Subsystem for Linux (WSL) upon which several Linux distros now run!

Note: Please don’t file bugs & issues here: file issues on our GitHub repos instead:

Please DO post your asks, ideas, wants and needs for future features: We ARE listening, and we ARE grateful for your feedback!

Windows Console & WSL Teams.

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  1. WSL raw socket support for ethernet to allow for nmap functionality

    Can not run nmap from WSL due to inability to interface with network sockets. Please enable passthrough or provide documentation / support to allow configuration of ethernet sockets to work with nmap. Was lead here by this discussion: https://github.com/Microsoft/WSL/issues/2039

    5 votes
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      0 comments  ·  WSL/Bash  ·  Flag idea as inappropriate…  ·  Admin →
    • Support Oracle Berkeley DB and lmdb

      Both Oracle Berkeley DB and lmdb fail on WSL as of build 18204. This is due to an issue with mmap described at https://github.com/Microsoft/WSL/issues/658 and https://github.com/Microsoft/WSL/issues/902

      Please fix the mmap issue so that lmdb and Oracle Berkeley DB, and projects relying on them, work in WSL.

      14 votes
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        3 comments  ·  WSL/Bash  ·  Flag idea as inappropriate…  ·  Admin →
      • Backup/Restore/Share/Snapshot a WSL installation

        Backup / Restore / Snapshot a WSL installation.

        For development puproses it would be very nice to ba able to backup a WSL installtion and to resore it on the same or another(!) PC.

        Provide a means of 'going back' (like a VMware snapshot) when a WSL installation became unstable, bloated, corrupt.

        BTW is there a way to have more than one Ubuntu installations at the same time?

        Best regards.

        56 votes
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          1 comment  ·  WSL/Bash  ·  Flag idea as inappropriate…  ·  Admin →
        • Acting on Windows 10 Network Adapters

          I don't seem to be able to modify Windows network settings from inside the Ubuntu WSL shell.
          Doing "ifconfig wlan0 off" doesn't turn the wifi off, neither other commands or softwares I tried.
          Is there any way to turn off network adapters from inside the shell?

          4 votes
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            0 comments  ·  WSL/Bash  ·  Flag idea as inappropriate…  ·  Admin →
          • Add support for 32-bit ELF executables

            A lot of tools written for Linux can be downloaded as 64-bit, but there are still a few that only 32-bit downloads are available for. I've tried using virtual machines, but that tends to not be feasibly in some projects.

            75 votes
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              2 comments  ·  WSL/Bash  ·  Flag idea as inappropriate…  ·  Admin →
            • Add support for FAT "Function not implemented"

              Add support for FAT drives mounted in windows to be accessible under WSL.

              Currently, you receive "Function not implemented"

              This would allow Google Drive to be accessible under WSL.

              8 votes
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                0 comments  ·  WSL/Bash  ·  Flag idea as inappropriate…  ·  Admin →
              • Combined Process List Between WSL and Windows

                I'd love to see the process list that's available from CMD's "tasklist" added to WSL's "ps" command. I understand that'll take some process ID juggling, but I think it's doable. If I'm in a bash shell and I do a "ps auxww" I'd love to see *every* process running on the box, not just what's in WSL.

                That would also allow me to kill them from within the bash shell vs doing it via cmd. Yes, I know I can "cmd /c tasklist" and "cmd /c taskkill" from bash. I'd rather see it done via the built in "ps" and…

                4 votes
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                  0 comments  ·  WSL/Bash  ·  Flag idea as inappropriate…  ·  Admin →
                • Support for sparse files in LxFS (flow type checker fails) WSL#1732

                  This issue says it better than I can:

                  https://github.com/Microsoft/WSL/issues/1732

                  Real Linux:

                  $ truncate -s 27927781376 foo
                  $ ls -l foo
                  -rw-r--r-- 1 ken ken 27927781376 Feb 27 21:00 foo
                  $ du --block-size=1 foo
                  0 foo

                  WSL 15042:

                  $ truncate -s 27927781376 foo
                  $ ls -l foo
                  -rw-r--r-- 1 ken ken 27927781376 Feb 27 21:00 foo
                  $ du --block-size=1 foo
                  27927781376 foo

                  5 votes
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                    0 comments  ·  WSL/Bash  ·  Flag idea as inappropriate…  ·  Admin →
                  • Support custom baud rate ioctls for COM ports

                    In addition to the already-requested ioctls for RTS/DTR control, support for custom baud rate ioctls would be terrific. Specifically required to support ESP8266 development (the module console is fixed at 74880).

                    1 vote
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                      1 comment  ·  WSL/Bash  ·  Flag idea as inappropriate…  ·  Admin →
                    • Add libusb support to WSL

                      Since previous one(https://wpdev.uservoice.com/forums/266908-command-prompt-console-bash-on-ubuntu-on-windo/suggestions/16759696-add-usb-device-support) was marked "complete", this one more clearly states support for libusb as in any usb device raw, rather than just storage mounting and serial pass-through.
                      My example need is Yubikey gpg-card.

                      480 votes
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                        46 comments  ·  WSL/Bash  ·  Flag idea as inappropriate…  ·  Admin →
                      • Recursive file case sensitivity?

                        Can we get folder recursive case sensitivity? You've very recently added it with:
                        fsutil.exe file SetCaseSensitiveInfo C:\folder\path enable
                        what do we have to do to get full directory case sensitivity?

                        It's really confusing as to why this isn't implemented yet when NTFS has supported it forever and windows 10 has no more kernel excuse...

                        Is something like this necessary?

                        [string] $PathRoot = 'folder here'

                        [bool] $EnableCaseSensitivity = $true

                        @(Get-ChildItem -Path $PathRoot -Recurse -Directory | Select-Object -ExpandProperty 'FullName') | ForEach-Object {
                        cmd /c ('fsutil.exe file SetCaseSensitiveInfo "{0}" {1}' -f ($_,$(if($EnableCaseSensitivity){'enable'}else{'disable'})))
                        }

                        18 votes
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                          2 comments  ·  WSL/Bash  ·  Flag idea as inappropriate…  ·  Admin →
                        • Add support for other Linux distros / meta-distributions - part two

                          After about year we have some distros in official MS magazine but we already don't have rights to install another Linux distributives.

                          I think we need to general methods of porting yourself distros to WSL.
                          It's will be easy to another people - the one idea to be popularity.

                          1 vote
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                            0 comments  ·  WSL/Bash  ·  Flag idea as inappropriate…  ·  Admin →
                          • Enable/Install WSL within a Docker Windows container

                            Hi everyone,

                            I am wanting to enable and install the Windows Subsystem for Linux (WSL) feature from within a Docker windowsservrecore container.
                            However, due to the fact that Docker containers are more like full-environment-processes than VMs,
                            and because WSL feature installation requires a 'system reboot'; this has proven troublesome.

                            I have seen solutions that other people have figured out for installing features that normally 'require reboot' in a Docker windows container:
                            - e.g. Active Directory support: https://blogs.msdn.microsoft.com/containerstuff/2017/01/30/create-a-container-with-active-directory-support/
                            - e.g. Server Media Foundation: https://www.impostorprogrammer.com/articles/docker/media_foundation_windows_containers.html

                            So I was wondering if anyone had any thoughts or has managed something similar for getting WSL…

                            3 votes
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                              0 comments  ·  WSL/Bash  ·  Flag idea as inappropriate…  ·  Admin →
                            • Add framebuffer support (/dev/fb0)

                              First of all, WSL is great! Thanks for this amazing feature!

                              Now, please support frame-buffer device implementation, we develop many C/C++ apps that draws its graphs directly by open fb like this:

                              int open_framebuffer(void)
                              {
                              const char *fbname;
                              int ret;

                              fbname = getenv("FB");
                              if (fbname == 0)
                              fbname = "/dev/fb0";

                              ret = open(fbname, O_RDWR);
                              if (ret == -1)
                              ret = open("/dev/fb/0", O_RDWR);

                              return ret;
                              }

                              WSL has no framebuffer device yet, so please bring us a complete fb0 device!

                              11 votes
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                                2 comments  ·  WSL/Bash  ·  Flag idea as inappropriate…  ·  Admin →
                              • WSL add ability to scroll up

                                In the WSL you should be able to scroll up and see your previous sessions commands/output (much like you can with cmd). Currently you only get what you can see on the screen, forcing you remember to pipe everything to less.

                                2 votes
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                                  1 comment  ·  WSL/Bash  ·  Flag idea as inappropriate…  ·  Admin →
                                • NAME environment variable: what is this for?

                                  Hi, in my ubuntu WSL shell the "NAME" environment variable is set to my hostname.

                                  user@myhost:~$ env | grep NAME
                                  NAME=myhost
                                  LOGNAME=user
                                  user@myhost:~$ cat /etc/hostname
                                  myhost

                                  As far as I know, NAME is not a "standard" variable in unix-like environments.
                                  This is causing me troubles with examples makefiles from the book "Test-Driven Development for Embedded C" by James Grenning. (It took me a while to figure out ...)

                                  I'd like to know where this is set and if it is possible to disable it or update it to a less generic name.

                                  I searched in /etc and .bash* but could…

                                  1 vote
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                                    0 comments  ·  WSL/Bash  ·  Flag idea as inappropriate…  ·  Admin →
                                  • Add libgl support to WSL

                                    There are many development tools unable to be ported to Windows due to their proprietary nature and others that though not proprietary have no interest in porting to Windows. For me specifically, it's being able to utilize dev tools such as VSCode, Sublime Text, Draft, Javalin, Bootsnap, OSQuery, and/or FSQL without downloading a third party X server that only does partial implementation. Libgl is specifically required to get GUI apps to run and doesn't currently exist. Please implement libgl and create an API for driver makers to use to enable use of these and other GUI dev tools.

                                    94 votes
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                                      1 comment  ·  WSL/Bash  ·  Flag idea as inappropriate…  ·  Admin →
                                    • explorer

                                      WSL feature request: Make "open <path>" open the Windows Explorer at the specified path (e.g. "open ." to open the current directory). The MacOS terminal allows this, and it's very useful. Ideally, specifying a file, like, "open somefile.pdf" would open the file with its default association (e.g. Acrobat Reader in the example).

                                      1 vote
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                                        0 comments  ·  WSL/Bash  ·  Flag idea as inappropriate…  ·  Admin →
                                      • WSL: Add Hardwaresupport for Video capture devices

                                        Hello,
                                        I want to use process my webcam stream via OpenCV. Apparently there is no support for webcams yet, as /dev/ is pretty empty.

                                        ´--- Opening /dev/video0...
                                        stat: No such file or directory
                                        ´

                                        32 votes
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                                          4 comments  ·  WSL/Bash  ·  Flag idea as inappropriate…  ·  Admin →
                                        • Make headless WSL images freely available

                                          WSL is an amazing piece of work, and despite most developers knowing about it by now, the workflow for actually making use of it is incredibly constrained.

                                          As a lifelong Microsoft user (and oftentimes vocal advocate) recently returning to Windows after 10 years of OS X, I'm a little depressed to find bug reports in my projects that have been sitting idle for months that turned out to be simple 1 line fixes, that I could not test because WSL is so inaccessible.

                                          It seems that, if for no other reason than allowing people to debug simple WSL problems or…

                                          1 vote
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                                            0 comments  ·  WSL/Bash  ·  Flag idea as inappropriate…  ·  Admin →
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