Command Prompt / Console / Bash on Ubuntu on Windows

Shrouded in the mists of time, the Windows Console was created. For millenia, geeks and developers wrought their command-line tools but after a while, a great lacking was noticed. And so, legions of ever intrepid command-line mavens migrated to other shells and consoles, ’til but a stalwart few remained.

In Windows 10, with a deep rumbling, the ancient, weary, Windows Console heaved a great sigh and began to tremble. New features appeared, but slow was the (aparrent) progress.

But then, in early 2016, from under a rock evolved a group of new console dev’s. And then a PM. The journey to modernity had begun … again! WE’RE BACK! AGAIN!

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

@RichTurn_ms, Paul, Mike1 & Mike2.

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  1. Terminal emulator

    Make a better terminal emulator.

    Have any of the WSL/Bash devs ever used iTerm/2 on Mac? It's an unbelievably good terminal. Right now, as good as Bash itself is on Windows, the actual terminal is just plain garbage. I've tried ConEmu and all the other usual suspects, but they're still just bad.

    Please, please make the CLI experience better by making a very good, first party, tabbed terminal emulator with modern features. It must "feel" good. Current offering feel like Command Prompt with duck tape around it.

    111 votes
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      9 comments  ·  Bash/WSL  ·  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.

      14 votes
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        2 comments  ·  Bash/WSL  ·  Flag idea as inappropriate…  ·  Admin →
      • Raw Disk access and filesystem mounting

        I would love to have the ability to access raw partitions on my hard drive (provided that WSL is stable and will not obliterate my data) and also have the ability to mount filesystems not natively supported under Windows such as ext4, and btrfs among others. Specifically, I want to be able to mount partitions on my hard drive that I have windows installed on.

        44 votes
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          1 comment  ·  Bash/WSL  ·  Flag idea as inappropriate…  ·  Admin →
        • Run services when Windows starts?

          In Bash, I can set services to boot on startup with something like this:

          sudo systemctl enable application.service

          However, it would be really handy if certain Bash services started when Windows started. (especially for web servers, database engines etc.)

          I know the way Windows and Linux does services is quite different but as an example, it would be great if I could start Windows and know that my local MongoDB server is all fired up and ready to go.

          Would love to know other peoples thoughts on this and if it's at all feasible?

          Thanks, Anthony
          Twitter: @anthonycook

          117 votes
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            5 comments  ·  Bash/WSL  ·  Flag idea as inappropriate…  ·  Admin →
          • Support ctrl+c signals for windows applications launched from WSL/bash

            In short: Make ctrl+c interrupt / kill windows applications launched from WSL.

            In long: At the moment windows executables launched from bash / WSL do not terminate when I ctrl+c the process. For example I might launch a compilation step which uses a windows .exe, and then decide to cancel it and modify something first. After ctrl+C the bash terminal thinks the process is stopped and lets me begin typing new commands, but the compilation keeps running and spills output into the terminal. Any file locks etc. will also be held which might block further commands I want to execute.…

            26 votes
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              0 comments  ·  Bash/WSL  ·  Flag idea as inappropriate…  ·  Admin →
            • Support AF_PACKET address family (tcpdump/wireshark...)

              From https://github.com/Microsoft/BashOnWindows/issues/1628

              It would be great to get support for AF_PACKET, as some networking tools or software rely on that.

              Samples of tool that won't work without it:
              - tcpdump (socket: Invalid argument)
              - wireshark
              - some nmap functions
              - Scapy

              567 votes
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                81 comments  ·  Bash/WSL  ·  Flag idea as inappropriate…  ·  Admin →
              • 90 votes
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                  1 comment  ·  Bash/WSL  ·  Flag idea as inappropriate…  ·  Admin →
                • DrvFS support for "Shared Folders" in Virtual Machines

                  DrvFS is unable to access the "shared folders" of a host machine when running inside a VM like VMware.

                  We often use VMs for testing and shared folders are a great way to move data between the host and different VMs.

                  For details see https://github.com/Microsoft/BashOnWindows/issues/1959 and https://github.com/Microsoft/BashOnWindows/issues/1954

                  34 votes
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                    2 comments  ·  Bash/WSL  ·  Flag idea as inappropriate…  ·  Admin →
                  • Support for IDEA exposure for the Linux dev tools like git and mvn, make etc

                    While the WSL is a great tool and is powerfull, there is a realy big gap were having now. I need to redudntly install stuff if I use an IDEA (like intellij or eclipse). To expose git to these tools. I can try to be creative with bat scripts to expose some of the bash native git. But then there is achance to get a "Cannot launch bash because another instance is running un-elevated. Elevated and un-elevated instances are not permitted to run simultaneously." response (and break your bat script).

                    What I would love to see a way to be…

                    5 votes
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                      0 comments  ·  Bash/WSL  ·  Flag idea as inappropriate…  ·  Admin →
                    • Support *BSD operating systems.

                      One of the benefits of WSL is that many server environments are Linux systems and the developer can validate many changes locally before deployment.

                      Similarly, various *BSD variants (Free-, Open-, etc.) are also frequently used on servers and developers could benefit immensely from having similar functionality.

                      This will likely be a larger item than allowing multiple Linux distributions on WSL due to the differences in system call structure.

                      5 votes
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                        0 comments  ·  Bash/WSL  ·  Flag idea as inappropriate…  ·  Admin →
                      • Allow to set file permissions on NTFS partitions from WSL

                        Allow commands like chmod to set file permissions on NTFS partitions. Currently WSL supports a limited one way permission mapping from Windows ACL's to POSIX permissions but it needs to be 2-way. Many basic tasks like using ssh keys or working with git repos require being able to set file permissions. It doesn't even matter that much to which exactly windows ACL certain permissions map as long as they are consistent (e.g. setting perms with chmod and then getting them with stat should result in exact same perms).

                        This is a followup to this closed issue: https://wpdev.uservoice.com/forums/266908-command-prompt-console-bash-on-ubuntu-on-windo/suggestions/13309479-emulate-posix-compliant-filesystem-permissions

                        10 votes
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                          0 comments  ·  Bash/WSL  ·  Flag idea as inappropriate…  ·  Admin →
                        • Can I explicitly start/stop a Linux subsystem?

                          Hello, I'm a WSL user, sometimes I just start a bash window and bring up services such as MySQL or nginx on that window, but when I close the bash window, the background process(nginx or MySQL services) are gone, I think It's because the bash window is closed.
                          So Is there a way to let the background process running while all Bash windows are closed? Or can this be added as a new feature in the future? Thanks.

                          5 votes
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                            0 comments  ·  Bash/WSL  ·  Flag idea as inappropriate…  ·  Admin →
                          • Run WSL binaries in Windows without 'bash.exe -c'

                            It would be nice for Windows to be able to run binaries in WSL without needing to prefix 'bash.exe -c'. The main reason for this would be editor integration. For example, VS Code language extensions require the binary for the language to be in your PATH and often do not work without it. It seems like a waste to install the language in both Windows and WSL just to get editor integration.

                            Obviously, executables from Windows will still have a higher priority. Only when the executable cannot be found in the Windows PATH should it now attempt to run the…

                            48 votes
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                              1 comment  ·  Bash/WSL  ·  Flag idea as inappropriate…  ·  Admin →
                            • Make core dump files available in WSL

                              When a process crashes on WSL it does not generate a core dump, even if the necessary configuration is in place.

                              This is critical for debugging complex issues during development.

                              Referencing this issue: https://github.com/Microsoft/BashOnWindows/issues/1262

                              10 votes
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                                0 comments  ·  Bash/WSL  ·  Flag idea as inappropriate…  ·  Admin →
                              • Make the Windows FS mounts under WSL have reasonable user and group

                                Right now the WSL suffers pretty severely from /mnt/c/ and others having all the files owned by root:root and permissions set to 777.

                                A *LOT* of tools will refuse to work with files with those permissions, files owned by root, or under the root account for security reasons. Some quick examples for developers: git and hg (Mercurial)

                                14 votes
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                                  0 comments  ·  Bash/WSL  ·  Flag idea as inappropriate…  ·  Admin →
                                • /etc/resolv.conf and secondary DNS suffixes

                                  I wasn't able to find an existing idea for this issue, so I am creating a new one.

                                  This is really a bug report, but the GitHub issue at https://github.com/Microsoft/BashOnWindows/issues/701 says to provide feedback here, so...

                                  There are two problems to report.

                                  One: the /etc/resolv.conf file is autogenerated when a new WSL session starts, but WSL only pulls in the DNS suffix for the primary domain for the "search" line. The result is that by default, only hosts in the primary domain can be resolved using short/unqualified names. If you need to resolve other short/unqualified hostnames in WSL, you have…

                                  2 votes
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                                    0 comments  ·  Bash/WSL  ·  Flag idea as inappropriate…  ·  Admin →
                                  • Add USB /dev/ttyACM support

                                    I need /dev/ttyACM support to connect gdb to a black magic probe debugger to program embedded ARM microcontrollers.

                                    24 votes
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                                      1 comment  ·  Bash/WSL  ·  Flag idea as inappropriate…  ·  Admin →
                                    • Assign groun `tty` to all /dev/ttyS* with read/write perssions

                                      At the moment, a user is required to run an elevated command to access any of the new /dev/ttySx serial devices, or they are required to assign a group (or user) access to the serial device.
                                      Any assigned permissions on /dev/ttySx will be reset to root:root with owner rw only when the bash.exe is closed and re-opened. Which can be come frustrating with automated scripts

                                      I propose that WSL will assign the group `tty` (or `dialout`) to the serial devices. So that a user may add themselves to the group once and consistently have access to the serial devices without…

                                      2 votes
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                                        0 comments  ·  Bash/WSL  ·  Flag idea as inappropriate…  ·  Admin →
                                      • OpenCL & CUDA GPU support

                                        It would be nice to have (relatively) easy access to the dedicated GPU's on our Win10 PC's, and OpenCL support for the AMD Drivers & CUDA for NVidia drivers etc.

                                        What I am thinking on specifically (although there are many many uses for it and CUDA support) is hashing functions that are lackluster within windows itself, but benefit immensely within Linux and Unix.

                                        Cryptocurrency mining for example, is known to be much faster on Linux systems than Windows. Do you see any support for OpenCL and/or CUDA in the future?

                                        2,029 votes
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                                          187 comments  ·  Bash/WSL  ·  Flag idea as inappropriate…  ·  Admin →

                                          It’s on the backlog, but not currently planned.

                                          We know many of you would like to be able to accelerate your numerical analysis code via CUDA/OpenCL, etc.

                                          One thing to explore in the meantime is to try running your code in Windows. Windows actually has very powerful GPU-acceleration capabilities and you may well find that much of your existing code may well work already or require trivial effort to port to Windows itself.

                                          in the meantime, bear with us, and UPVOTE THIS ISSUE if you care (please don’t create another duplicate ask – that doesn’t help us prioritize asks).

                                          Thanks.

                                        • Support Bash on Ubuntu / WSL on Windows 8.1

                                          In large enterprise environments, Windows 8.1 is still in wide use & we have no control on upgrading OS. Would like to have the productivity gains of having Ubuntu WSL on Windows 8.1.

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