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. Filesystem slow compared with native Ubuntu system.

    http://www.phoronix.com/scan.php?page=article&item=windows-10-lxcore&num=1

    Lists some benchmarks across Ubuntu and this subsystem. It is very competitive with Native Ubuntu Linux, except when it comes to filesystem access.

    Filesystem access is important for compilation, as well as the thousands of "watcher" js and ruby programs that constantly touch the filesystem, which are the stated target market.

    So, find a way to speed that up. (I don't know how you are currently mounting the filesystem, so I can't offer any ideas, other than removes as many layers as possible to the filesystem.)

    If you are using the ntfs systems in Linux, you might consider implementing…

    541 votes
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      36 comments  ·  WSL/Bash  ·  Flag idea as inappropriate…  ·  Admin →
    • Replace the titlebar colour into black. White titlebar is distracting to CLI contents.

      The current white titlebar (when not using the optional theme color) is really distracting and just looks out-of-place on CLI.

      I suggest that the console window should be like this: https://imgur.com/a/UQZS9

      This is Hyper, a 3rd-party terminal app. An example of modern looking CLI that I think Windows deserve to have out-of-the-box. It is clean and way more focused to the CLI itself rather than the GUI chrome.

      3 votes
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        1 comment  ·  Console/Terminal  ·  Flag idea as inappropriate…  ·  Admin →
      • Linux like mouse click selection and copy/paste

        In *Nix systems we can drag select text. Alternatively double left-clicking will smartly select a word/path (etc) boundary. Clicking for the third time selects the entire line. In all instances above it will auto copy to the selection to the clipboard.

        Whilst we have some slightly better options with Quick edit and insert mode there's still some subtle differences than the experiences above.

        Can we more closely mimic this behaviour?

        118 votes
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          3 comments  ·  WSL/Bash  ·  Flag idea as inappropriate…  ·  Admin →
        • enable kernel header support, as well as linux-tools-3.4.0+

          Some features that require kernel support, such as openAFS and perf (and kernel level linux-tools in general), do not work due to lack of kernel support. Is that something we can expect to be implemented any time soon? Perhaps, not by implementing a Linux kernel, but by having Windows kernel work with Linux kernel headers?

          19 votes
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            4 comments  ·  WSL/Bash  ·  Flag idea as inappropriate…  ·  Admin →
          • Alternate install location option would be nice

            Currently the only place the linux lxss folder can be located is inside the user's user profile directory. It'd be nice to be able to put this folder anywhere on any drive for those of us with small SSD c: drives.

            440 votes
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              11 comments  ·  WSL/Bash  ·  Flag idea as inappropriate…  ·  Admin →
            • VPN / Routing support in bash

              The Bash shell should understand VPN / routing changes in windows sow ssh works with DNS names and routing

              149 votes
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                5 comments  ·  WSL/Bash  ·  Flag idea as inappropriate…  ·  Admin →
              • Access to "real" linux devices in /dev

                ...or at least to /dev/sda? (disks) block devices. It could be very powerful to run things like
                dd if=/dev/sda2 of=some-remote-mounted-volume/my-backup-C.img

                407 votes
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                  13 comments  ·  WSL/Bash  ·  Flag idea as inappropriate…  ·  Admin →

                  Related to “Add USB Device support”: https://wpdev.uservoice.com/forums/266908-command-prompt-console-bash-on-ubuntu-on-windo/suggestions/16759696-add-usb-device-support

                  This is a common ask and, now that we’ve gotten through most of the fundamental engineering, we’ll be more able to start looking-into device support sometime relatively soon, though no guarantees about when and what ;)

                • WSL: wayland/display manger support , may be easier or more efficient to implement then xorg

                  I would rather see this then xorg it would likely be more efficient in the long run then trying to cobbled together some hacked up version of x
                  wayland is closer to the kernel it would pair nicely with WSL

                  88 votes
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                    2 comments  ·  Flag idea as inappropriate…  ·  Admin →
                  • Sound card & ALSA support

                    Consider adding support for sound cards & ALSA to WSL?

                    260 votes
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                      21 comments  ·  WSL/Bash  ·  Flag idea as inappropriate…  ·  Admin →

                      I want to point out that we have very clear that WSL does not support X/GUI desktops, apps, and tools.

                      This said, we totally understand the utility of audio support in several scenarios. While this is not currently a high priority for us, it’s something we’ll definitely consider for the future.

                      If you’re interested in accessibility & screen reader support, we’ve actually exposed the contents of the Windows Console to UIA for the first time in Fall Creators Update, allowing Narrator & other screen readers to read command-line output more easily: https://blogs.msdn.microsoft.com/commandline/2017/10/11/whats-new-in-windows-console-in-windows-10-fall-creators-update/

                    • Things that we miss (Our experience using BashOnWindows)

                      Hi, we are a team who work using node.js. We are very excited about BashOnWindow because using it, we can write bash scripts to setup, and start our development environment in any OS. There is only two things that we miss in order to use it efectively:

                      * Launch new terminals: Since there is no graphic server, We can't run commands in a new terminal. For example, I can't write a script that starts 'webpack-dev-server' and 'meteor'. In practice, this is a huge limitation.

                      * Lack of file exposure: If you copy a file from Windows to BashOnWindows using the…

                      5 votes
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                        0 comments  ·  WSL/Bash  ·  Flag idea as inappropriate…  ·  Admin →
                      • Wayland Compositor implementation and library integration

                        Currently, graphical programs in Linux use a variety of technologies to render their output. Microsoft has expressed interest in eventually supporting Linux-based GUI programs.

                        In order to implement this, Microsoft should implement a translation layer to allow WDDM to act as a Wayland compositor. Microsoft should also reroute calls to SDL, Cairo, and OpenGL to their respective Windows versions, which in the case of 1 and 3 are already mature (Cairo on Windows has an immature DX2D implementation and a mature Win32 GDI implementation).

                        While writing a whole compositor translation layer is likely a huge amount of work, it also…

                        34 votes
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                          1 comment  ·  WSL/Bash  ·  Flag idea as inappropriate…  ·  Admin →
                        • Use Bash in Visual studio

                          It would be nice if I can use Bash inside Visual studio just like use powershell in Visual Studio.

                          76 votes
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                            2 comments  ·  WSL/Bash  ·  Flag idea as inappropriate…  ·  Admin →
                          • Printing from Bash on Ubuntu on Windows (CUPS Print Spooler)

                            It would be great to be able to print from WSL using the familiar lp command, as one does in ordinary Linux. I've tried installing and starting CUPS, but am having problems doing so. Having a means of printing, whether using CUPS itself, or emulating CUPS by connecting it somehow to the Windows printing system, would be very useful.

                            11 votes
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                              1 comment  ·  WSL/Bash  ·  Flag idea as inappropriate…  ·  Admin →
                            • Consider making bash work better with VS and VS Code

                              It will be convenient if VS and VS Code can debug python and C/C++ console programs with python and gcc/g++ in WSL.

                              47 votes
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                                1 comment  ·  WSL/Bash  ·  Flag idea as inappropriate…  ·  Admin →
                              • A file created in C:\Users\<user>\AppData\Local\lxss\root from Windows isn't visible in WSL

                                I would like to be able to create files in the WSL root directory using Windows tools (VSC, NotePad++...)

                                I can modify files there (e.g. .bashrc) but if I create new files they are not visible from the WSL side.

                                210 votes
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                                  19 comments  ·  WSL/Bash  ·  Flag idea as inappropriate…  ·  Admin →
                                • Use interoperable NTFS symlinks in DrvFS when possible

                                  From recent blog post I understand a new type of reparse point was introduced to support symlinks. This new reparse point type is not understood by windows.

                                  If instead this type was only used when necessary (e.g. symlinks to devices) and interoperable types used for the more common file/directory symlinks a significant barrier would be removed.

                                  Bypassing the traditional access restrictions on symlink creation does not seem like an unreasonable risk given the target userbase.

                                  111 votes
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                                    3 comments  ·  WSL/Bash  ·  Flag idea as inappropriate…  ·  Admin →
                                  • SHIFT+PU/PD not scrolling #1035

                                    idea already captured in github issue. Just wanted to promote it.

                                    shift+up
                                    shift+pageup

                                    should scroll up the console output buffer with keyboard only... not needing mouse.

                                    4 votes
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                                      2 comments  ·  WSL/Bash  ·  Flag idea as inappropriate…  ·  Admin →
                                    • Allow changes to stack size via the ulimit command

                                      The stack size on WSL is currently static. It would be great to have the flexibility to change it in bash using the ulimit command.

                                      My interest in this is admittedly narrow (it comes up in scientific computing with legacy code) but I imagine there would be other uses.

                                      61 votes
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                                        14 comments  ·  Flag idea as inappropriate…  ·  Admin →
                                      • Add Support For Kernel Modules

                                        Numerous LINUX tools and developer workflows require kernel modules. There is nothing to find at /lib/modules/3.4.0 or /lib/modules/3.4.0+. This is a huge gap in WSL. Is there a workaround? Can we expect this gap to be filled in the foreseeable future?

                                        19 votes
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                                          2 comments  ·  WSL/Bash  ·  Flag idea as inappropriate…  ·  Admin →
                                        • Node.js tools which watch the file system should work (e.g. webpack / Typescript)

                                          I'm trying to migrate from git bash, where the following examples work without issue. When I run

                                          webpack --watch

                                          It runs one iteration, and then stops without any error messages.

                                          If I run the Typescript compiler directly, this also fails, but with an error message from the code that watches the file system:

                                          tsc --watch

                                          gary@DESKTOP-PPDHI55:/mnt/d/projects/findlectures.com$ tsc --watch
                                          fs.js:1431
                                          throw error;
                                          ^

                                          Error: watch /mnt/d/projects/findlectures.com EPERM
                                          at exports._errnoException (util.js:1026:11)
                                          at FSWatcher.start (fs.js:1429:19)
                                          at Object.fs.watch (fs.js:1456:11)
                                          at Object.watchDirectory (/usr/local/lib/node_modules/typescript/lib/tsc.js:1723:32)
                                          at Object.executeCommandLine (/usr/local/lib/node_modules/typescript/lib/tsc.js:39767:43)
                                          at Object.<anonymous> (/usr/local/lib/node_modules/typescript/lib/tsc.js:40088:4)
                                          at Module._compile (module.js:570:32)
                                          at Object.Module._extensions..js (module.js:579:10)
                                          at Module.load (module.js:487:32)
                                          at tryModuleLoad (module.js:446:12)

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