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. Mount filesystems permanently from /etc/fstab

    It's great that I can mount file systems or USB devices through drvfs but these mounts don't persists when all Linux shells are closed.
    How does one mount filesystems permanently, say through /etc/fstab ?
    Surely it shouldn't be necessary to manually mount filesystems after the last Linux shell has been closed and a new is invoked.

    60 votes
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      3 comments  ·  WSL/Bash  ·  Flag idea as inappropriate…  ·  Admin →
    • Add USB Device Support

      This ask is specifically for adding USB Device support to WSL - i.e. exposing USB busses and devices to the OS.

      This is NOT an ask for adding the ability to communicate with external USB peripherals like phones, IoT boards, etc. - those asks are elsewhere:

      USB Serial communicatons:
      https://wpdev.uservoice.com/forums/266908-command-prompt-console-bash-on-ubuntu-on-windo/suggestions/15424383-need-serial-usb-com-port-access

      Mount USB storage devices:
      https://wpdev.uservoice.com/forums/266908-command-prompt-console-bash-on-ubuntu-on-windo/suggestions/13717092-mount-usb-sd-removable-storage-devices

      1,063 votes
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        129 comments  ·  WSL/Bash  ·  Flag idea as inappropriate…  ·  Admin →
      • Have dev/shm actually use RAM instead of system drive

        dev/shm appears to be using disk space as creating objects there decreases available space and IO speed is significantly limited.

        14 votes
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          1 comment  ·  WSL/Bash  ·  Flag idea as inappropriate…  ·  Admin →
        • Support Unicode in more, type and other commands

          When I pipe console.log("hello it’s time"); or simply type it, it gets mangled. This also happens in PowerShell (I presume because it uses the DOS commands

          1 vote
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            0 comments  ·  Console/Terminal  ·  Flag idea as inappropriate…  ·  Admin →
          • A command to confirm that linux is running on WSL

            There are many cases where it's useful to programmatically check whether linux is "regular" linux or WSL linus. E.g., in Python calling `sys.platform` just returns `linux`, not `linux-wsl` or something like this. It'd be helpful if there were a command line argument that could reliably confirm that the platform is WSL.

            5 votes
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              4 comments  ·  Console/Terminal  ·  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

              90 votes
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                3 comments  ·  WSL/Bash  ·  Flag idea as inappropriate…  ·  Admin →
              • Block device support for embedded systems

                I would like to be able to build the yocto project for embedded Linux natively which is possible currently. However I am unable to dd to /dev/sda to deploy it to the target because It is an external block device. Do we know if this will ever be supported?

                10 votes
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                  0 comments  ·  WSL/Bash  ·  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.…

                  80 votes
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                    2 comments  ·  WSL/Bash  ·  Flag idea as inappropriate…  ·  Admin →
                  • 1 vote
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                      0 comments  ·  WSL/Bash  ·  Flag idea as inappropriate…  ·  Admin →
                    • Libsixel support for CMD/Powershell/WSL

                      I would like native libsixel support as the only current way to run it is as per this comment https://github.com/Microsoft/WSL/issues/1099#issuecomment-248513013. If possible, this support would be for for all terminals. This would prove extremely useful in performing quick research without having to leave the terminal.

                      16 votes
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                        2 comments  ·  Console/Terminal  ·  Flag idea as inappropriate…  ·  Admin →
                      • Kernel thread creation is not working in WSL

                        Yesterday I was in my operative system class, and we were studyng about user and kernel thread creation.

                        The user thread example ran well, using the pthread library in C. But when I ran the kernel thread example, it failed and I couldn't create the thread. For that example we used the macro clone in library sched.h

                        I'd be good if WSL could support that type of thread creation.

                        3 votes
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                          0 comments  ·  WSL/Bash  ·  Flag idea as inappropriate…  ·  Admin →
                        • 4 votes
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                            0 comments  ·  WSL/Bash  ·  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…

                            31 votes
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                              3 comments  ·  WSL/Bash  ·  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

                              46 votes
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                                6 comments  ·  WSL/Bash  ·  Flag idea as inappropriate…  ·  Admin →
                              • Bridge to Windows ssh-agent service

                                At the moment I'm using putty on Windows together with its pageant tool, and inside WSL I use https://github.com/vuori/weasel-pageant , wich simply implements a bridge from inside WSL to use the pageant running on Windows.

                                Switching from putty to Win10 builtin ssh and ssh-agent service makes this unavailable. Would be great to be able to reuse the Windows ssh-agent service from inside WSL, so I only have to store my key(s) in one safe place on Windows.

                                4 votes
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                                  0 comments  ·  WSL/Bash  ·  Flag idea as inappropriate…  ·  Admin →
                                • Support kernel namespaces and cgroups (for Docker, headless Chrome, ...)

                                  Kernel namespaces are a Linux feature that enables sandboxing (used in things like headless browsers) and containerization (i.e. Docker).

                                  It would be great if WSL supported those scenarios.

                                  46 votes
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                                    0 comments  ·  WSL/Bash  ·  Flag idea as inappropriate…  ·  Admin →
                                  • Selecting text shouldn't pause program

                                    Many people run into the unexpected behavior that accidentally selecting text on the console causes their program to pause when it tries to write to the output stream.

                                    While text is selected, the console should continue to read from the output stream, and have some different way to provide stable text selection (freeze the scrollbar, or just render the text after the selection ended?).

                                    Here's some other users who probably find the current behavior unintuitive:
                                    https://superuser.com/questions/555160/windows-command-prompt-freezing-on-focus
                                    https://superuser.com/questions/459609/what-does-it-do-exactly-if-i-click-in-the-window-of-cmd

                                    26 votes
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                                      4 comments  ·  Console/Terminal  ·  Flag idea as inappropriate…  ·  Admin →
                                    • Command line needs more love for developers. It doesn't feel on par with the Linux/Mac development experience.

                                      Appeareance is simply ugly.

                                      Windows should strive to attract more talented developers. User Experience (for Developers!) also matters.

                                      2 votes
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                                        0 comments  ·  PowerShell  ·  Flag idea as inappropriate…  ·  Admin →
                                      • Wrap a DLL as a .so

                                        If you provided a wrapper for DLLs to expose them as Linux shared object files, WSL programs could call into them to execute functions that use Windows drivers.

                                        The example I have in mind is that my Python code, running in WSL, could load one of these wrapped DLLs posing as a .so file, and execute code that makes CUDA calls running against the native OS drivers.

                                        See also https://wpdev.uservoice.com/forums/266908-command-prompt-console-windows-subsystem-for-l/suggestions/16108045-opencl-cuda-gpu-support

                                        5 votes
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                                          1 comment  ·  WSL/Bash  ·  Flag idea as inappropriate…  ·  Admin →
                                        • wslpath: output path in quotes

                                          Please add a feature to the wslpath WSL tool to output the converted path in quotes. This would allow easy piping even if the path contains spaces.

                                          Currently:
                                          $ wslpath "C:\Path to\My file.txt"
                                          /mnt/c/Path to/my file.txt

                                          Desired:
                                          $ wslpath "C:\Path to\My file.txt"
                                          "/mnt/c/Path to/my file.txt"

                                          2 votes
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                                            0 comments  ·  WSL/Bash  ·  Flag idea as inappropriate…  ·  Admin →
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