bash backspace not working bash backspace not working

It only takes a minute to sign up. This article aims to help you with the problem and gives you some solutions to what to do if your backspace doesnt work anymore. Assuming you're using gnome-terminal as emulator, open the Edit manu and click on Profile preferences. for Backspace. I hope that you will enjoy my blog. Do I need a thermal expansion tank if I already have a pressure tank? 1,710 views. The backspace works on the cmd terminal of VS code though. Thanks for contributing an answer to Super User! This may seem strange, but the Linux console emulates a VT100 terminal, and this is the way things work in that realm. Thanks for contributing an answer to Ask Ubuntu! Share Improve this answer edited Jan 2, 2021 at 17:14 seminar 3 2 He has been using Linux regularly in some form since 2006. I tried to google my problem a lot but didn't find solution that works for me. On the other hand, I also have another account on the same machine & when I ssh through this account, its terminal works perfectly fine. Your answer could be improved by explaining why your solution correctly would resolve it for the user in the question. Your backspace key may be broken due to a bad mapping which has been loaded into Vim. What happens when you type control-V followed by backspace? to your account. Ive seen a few people struggling with using the backspace key in Outlook (Exchange and Outlook.com). You signed in with another tab or window. How do I tell if a file does not exist in Bash? Unix & Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un*x-like operating systems. Doing your suggested change results in backspace working for both. Solved: using "tab", "backspace" and "arrow" keys. In my real situation I have input from program, which doesn't call read. Most of the information in https://web.archive.org/web/20120621035133/http://www.ibb.net/~anne/keyboard/keyboard.html is indeed what you need. Improve this answer. Does it do anything? How to follow the signal when reading the schematic? Something wrong with shell or termcap library on debian. Once I copied the "cygwin" file to this location, the bash shell backspace key worked fine, as did tab and others. FWIW, my original /usr/bin/bash.exe is from 2017-02-15, so almost a year old, and building a fresh one (same version 4.4.12(1)-release (x86_64-pc-msys), using makepkg) did fix it for me. The backspace doesn't work in the bash terminal of VS code. I don't want to apply a bandaid by setting TERM variables to something other than what was working before my mishap. If the backspace was working okay initially and no longer is then try using the "reset" command. This answer is specific to running is a Docker container and will not help in the OP's environment. But it worked like a charm to me thanks to Yuksel, The problem was with 'termInfo' files, Steps he have suggested, confirm if the problem is terminal related by typing in CygWin Terminal, this should give (ignore the warning), WARNING: terminal is not fully functional, Get the information of 'TermCap' to which path or directory it is related to by typing below code in CygWin Terminal, infocmp: couldn't open terminfo file /usr/share/terminfo/63/cygwin, Or you might also get something starting with text like 'Reconstructed via infocmp', Run the below code in CygWin Terminal to run the diagnostics to get extra details about the path where the files are saved, that should respond you similar to below text, C:/cygwin / system binary,noacl, C:/cygwin/bin /usr/bin system binary,noacl, C:/cygwin/lib /usr/lib system binary,noacl, C:\cygwin\etc\terminfo /usr/share/terminfo system binary,noacl, cygdrive prefix /cygdrive user binary, noacl, posix=0, auto, from the output, you got from the 3rd step. i newer had any problem with it so im curious. The best answers are voted up and rise to the top, Not the answer you're looking for? Use # stty icanon to allow the "canonical (cooked) mode". Follow Up: struct sockaddr storage initialization by network format-string, Identify those arcade games from a 1983 Brazilian music video, How to tell which packages are held back due to phased updates. This may be unintentional; Vim sees CTRL-H as a backspace (because CTRL-H is the ASCII code for a backspace), so you also cannot map anything to that. ether@jolteon MSYS /w This key is known as the Del key on full-sized Macintosh keyboards. Arrow keys and backspace not working in bash after recent update, ignore package upgrades for certain packages, https://bugs.archlinux.org/task/57300?project=1&string=ncurses, [MSYS2] Term=xterm-256color does not support backspace and command history correctly, (cosmetic) xterm-256color is unreliable when using MinGW manually, https://forum.voidlinux.eu/t/solved-problems-after-todays-update/4553, ncurses: Fix double-free and prevent crash, Arrow keys broken in msys2 bash programs after installing Terminal, (fixed after rebuilding bash): editing keys don't work in CLI in bash with. The space you're seeing is the space that was supposed to stomp on the previous character. ncurses seemed like the most suspicious upgrade, so I downgraded (see instructions on how to ignore package upgrades for certain packages) through: and in the next MSYS2 instance I started, terminal codes for backspace, delete, etc., worked as intended again. The simplest fix by far. ether@jolteon MSYS /w NOTE: this folder might be different from yours depending on the installation. This malfunctioning means the issue lies in the keyboard driver. I cd to the bash dir of the msys2 packages repo and issued |makepkg --skippgpchec -sCLf| and it stopped/errored after some time with IIRC undefined type or something. It's almost like the CMD shell that Cygwin is bound to is failing to interpret cursor movement. You ssh to your Debian from some terminal (putty, solaris dterm, debain xterm, you-name-it), this termninal announce capabilities (which includes keys such as Backspace and Tab) via TERM environment variable. To learn more, see our tips on writing great answers. terminal had problems with some control characters. Spacebar, Enter, or Backspace Not Working Method 1: Turn off Sticky Keys and Filter Keys In Windows 10, there are two functions - Sticky Keys and Filter Keys. Ok thats a bit simpler, but wont it affect other sources to remove the hardening ? Left and right arrows at the shell prompt don't skip chars as expected, but ctrl-v and then pressing an arrow key does print a correct (I think) string, e.g. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. How is an ETF fee calculated in a trade that ends in less than a year? From ubuntu all should works just fine. Basically, each time you hit backspace your cursor is moved to the beginning of the text field. If it is working, it means that the issue is in the existing keyboard, not in the operating system. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. But only on Windows 8.1 using TERM=screen-256color or TERM=xterm-256color. Acidity of alcohols and basicity of amines. Is there a proper earth ground point in this switch box? [rendering fine] Let know if my zshrc (at the bottom) is incorrect or if there are incompatible plugins or keybinds listed. What's the difference between a power rail and a signal line? Alternatively, just dont go full-width with your screen. Solved: Hi I am connecting my HP-UX thru Telnet using putty. If the issue is only with the Backspace key, you can try and disable the filter or sticky keys. rev2023.3.3.43278. Our journey has still to come to an end. Minimising the environmental effects of my dyson brain. Connect and share knowledge within a single location that is structured and easy to search. Share Improve this answer Follow answered Apr 11, 2015 at 10:06 Kunal Kapadia 151 1 1 Add a comment 4 same as cread -ignbrk brkint -inlcr -igncr icrnl -iutf8 -ixoff -iuclc -ixany imaxbel opost -olcuc -ocrnl onlcr -onocr -onlret -ofill -ofdel nl0 cr0 tab0 bs0 vt0 ff0 isig icanon iexten echo echoe echok -echonl -noflsh -xcase -tostop -echoprt echoctl echoke, all special characters to their default values, Your shell may be set to /bin/sh instead of /bin/bash, on top of paul's answer, if you want to retain the ability to have colorful output, you can use xterm-88color. Thanks! Have a question about this project? Learn more about Stack Overflow the company, and our products. If you preorder a special airline meal (e.g. Fix 4: Reinstall the Keyboard Driver This is the solution to try if the Backspace key of the on-screen keyboard does not function. Learn more about Stack Overflow the company, and our products. This is a big hope to restore the keys functionality to Chrome and other applications. If this is the reason, you will have to run your antivirus or antimalware software to get rid of the malware. Assuming ncurses 6.1 may break binary compatibility, it would need a rebuild of all packages which use ncurses. Following are the steps for disabling these keys on Windows 10/11: Heres a video that will guide you step-by-step: This is another easy solution to try and find where the problem lies. Additionally, I now can't build bash with makepkg, there's some compile error with an unknown type IIRC - this is after the msys2 runtime was updated to cygwin 2.10 . So, I'm new to VS code just installed it and I'm having an issue. You should upgrade to 17.04 as soon as possible. @ray326 Sep 14, 2004 # All the main line Linux distros will install on empty space on a drive that also has other partition types like the Windows partitions. I have this issue as well. Recovering from a blunder I made while emailing a professor. GitHub / (fixed after rebuilding bash): editing keys don't work in CLI in bash with TERM=xterm-256color . in my .bashrc file, and use some other terminal to access the server, it often ends up wrong. the following line in your .startup.tty file: stty erase "^H". Is there any global settings where I can have this configurations done for all input? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Pressing the Backspace key, depending on how the key is defined, may either perform a destructive backspace (deleting the character to the left of the cursor while moving the cursor to the left) or move the cursor to the beginning of the line. Replacing broken pins/legs on a DIP IC package. (NOT fixed after rebuilding bash): bash aborts after setting TERM to some dummy name, e.g. Now, if you still use VI, sometimes the translation doesn't work and you have to actually type ^H in vi, but that's OK. and it literally would have translated 'k' into the erase/delete character.. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. 2. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, Enter the following in terminal and check what happens: export TERM=xterm. This will add it to the .bashrc and everything may work nicely! What can a lawyer do if the client wants him to be acquitted of everything despite serious evidence? export TERM=xterm will set the emulator to xterm. Thus, you should try one or all of them to get the key working again. Re: del and backspace no longer work. The easiest way (which did not work everytime while testing) is to simply reinstall terminfo and termcap via setup.exe, as mentioned here: Backspace does not work in Cygwin. /usr/share/terminfo/r/ . After establishing the connection, the remote shell would contain the same $TERM value, while setting it to an unsupported value is one of the reason why Backspace stops working. Get a virtual cloud desktop with the Linux distro that you want in less than five minutes with Shells! What's the difference between a power rail and a signal line? In short, it is available for use when your keyboard is not available. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Thanks for pointing out the shortcomings of my previous answer. I'm seeing it now on my new Cygwin install, though it previously worked. I think your TERM was set to something incompatible. Now, you may have thought that something is wrong with Chrome or some malware has done its wicked job. Whether it is hardware or software. Simply run Cygwin setup again and reinstall termcap and terminfo. So I'm stuck having to manually type stty erase [whatever] to fix it when I notice the backspace key is wrong. For Working Professionals. Reinstalling terminfo (I couldn't find termcap) worked for me. Look for the "erase" character. How do I check if a directory exists or not in a Bash shell script? We and our partners use cookies to Store and/or access information on a device. Allow the utility to complete the scan and then follow the instructions. [still broken rendering] You have these five options below available to chose from. @elieux there are conflicts in cygwin headers, I do have the described issues as well. My understanding is that the shell handles stdin buffering, so shouldn't the backspace-handling be the same for both the shell and an app? Weve got you covered, so lets go through 8 ways to fix the problem: When it comes to fixing the Backspace key, there are a few solutions to execute. Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. If there are problems with cygwin, I even tried it from ubuntu terminal, but same problem. In the right panel, you will see the Onscreen Keyboard option. If there are any new updates, Windows 10 / 11 will be installing them. So guess it might need some patches to get around this. This solution is likely to work for most users. They might say something like "I love Linux system mangling^H^H^H^H^H^H^Hadministration.". with stty erase ^H or stty erase ^? Not sure cygwin has good terminal emulation, as far as I know, cygwin just using regular windows console which lacks terminal emulation (may be wrong). What Is the Difference Between 'Man' And 'Son of Man' in Num 23:19? . Browse other questions tagged, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. Bash 4.4.0.19 fixes the editing key issues for me with xterm-256color, but this new issue remains (both with 4.4.0.12 after a rebuild and also with the pre-built 4.4.0.19 after the update): (Only after rebuilding bash): bash aborts after setting TERM to some dummy name, e.g. Instead need to find why it happen. This was the reason in my case.. for that particular user. What is a word for the arcane equivalent of a monastery? You can now navigate webpages in Chrome by pressing Alt + left arrow to open a previous page and Alt + right arrow to move forward. Super User is a question and answer site for computer enthusiasts and power users. 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. Most application will expect that you already have the emulator set to something compatible such as xterm or linux. Are there tables of wastage rates for different fruit and veg? rev2023.3.3.43278. Since it seemed that OpenWrt repos did What Is the Difference Between 'Man' And 'Son of Man' in Num 23:19? or stty erase "^?" depending on which of these you normally see when you hit your backspace. How can I check if a program exists from a Bash script? to my .bashrc but this only fixed the issue 80% of the time. I added in braces how they behave on my system: I had the same problem, using bash in Gnome-Terminal. Backspace started to work correctly! Is There Any Shortcut for the Backspace Key on the laptop / PC? Right-click anywhere in the Cygwin window, Mitty version = 1.2-beta1 (x86_64-pc-cygwin). now copy all the files and folders that exist inside /usr/share/terminfo to the folder C:\cygwin\etc\terminfo - Assuming you're using gnome-terminal as emulator, open the Edit manu and click on Profile preferences. Clearly this is a regression in or triggered by ncurses 6.1; the changelog mentions some changes to xterm-256color. I build my application image with the multi-stages build. Most *NIX hosts don't know what a 'cygwin' termtype is so they don't know how to do onscreen character manipulation such as inserts, deletes, scrolls, font changes, etc. Not sure why it didn't previously, I guess I accidentally ran it in mingw env while now I did it in msys2 env. Disconnect between goals and daily tasksIs it me, or the industry? By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. How can this new ban on drag possibly be considered constitutional? This one fixed it for me. If it is set to "^C" or "^\" it is your problem. Even am stuck on the same issue and from minty also backspace functionality is not working. Making statements based on opinion; back them up with references or personal experience. To open the virtual keyboard, go to Ease of Access keyboard settings and click Keyboard in the left panel. Why do academics stay as adjuncts for years rather than move around? when you hit the "backspace" key. When you make a purchase using links on our site, we may earn an affiliate commission. If you preorder a special airline meal (e.g. First, enter CTRL + V ALT + CyrChar in your shell. (Note: use Ctrl v + Backspace, do not type the ^ manually) You can fix the Tab issue with the same as above. [1] 2. TERM variable in source It works in other packages though so id say this is something that needs to be looked at upstream by the ncurses devs. in communication from California State University, East Bay. rev2023.3.3.43278. You'll see what code is sent as "erase". Browse other questions tagged, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. Getting Delete and Backspace to work just right is nontrivial, especially in a mixed environment, where you talk to console, to X, to bash, to emacs, login remotely, etc. xterm-256color Calculating probabilities from d6 dice pool (Degenesis rules for botches and triggers). By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. This solved the fact that cygwin64 was ignoring backspaces in commands containing line breaks. So If it says "^H," then it uses the older Backspace character. and sometimes it thinks it is ^H, and happens to be incorrect and outputs the wrong character when I press backspace. Simply, plug in another functional keyboard to your existing laptop or PC and see whether its Backspace key is working or not. You don't need to open tmux. If it was never working then try what tylerl suggested. Is it possible to rotate a window 90 degrees if it has the same length and width? The reason for this is because many Linux distro's ship with pre-made vimrc files which set some common options. Once you press [ENTER] you should be able to press your [BACKSPACE] key and have it backspace/delete whatever you typed. $ TERM=xterm How to make the prompt beep with every key press/character printed? Super User is a question and answer site for computer enthusiasts and power users. vegan) just to try it, does this inconvenience the caterers and staff? Would you mind sharing your build procedure? To update Windows 10 / 11, you should check for Windows Update in Settings. I've been trying to research this issue on Google, but did not find anything conclusive. > > If "doesn't work" means something else (like funny characters being > printed on the screen) let me know. Find centralized, trusted content and collaborate around the technologies you use most.