bash backspace not working

My terminfo folder was entirely missing. Backspace and arrow keys not working in (how to fix)vi/vim editor in ubuntu 14.04 /linux mint. Whether you are a digital nomad or just looking for flexibility, Shells can put your Linux machine on the device that you want to use. Turning off the filter keys will discard the risk of all probable interruptions to the keyboards overall functionality, which may fix the Backspace issue. To update Windows 10 / 11, you should check for Windows Update in Settings. The backspace doesn't work in the bash terminal of VS code. Well, in reality, this is not the reason. Just happened for me as well. Is There Any Shortcut for the Backspace Key on the laptop / PC? Once I copied the "cygwin" file to this location, the bash shell backspace key worked fine, as did tab and others. It's worth noting that you aren't getting "a space": It's failing to move the cursor back to erase the character. Lets check which terminals the remote host supports. I'm seeing it now on my new Cygwin install, though it previously worked. I hope that you will enjoy my blog. I tried stty erase '^?' 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. I solved the problem by using ash.exe and run pacman -Syu bash in it. I followed the advice in this old reddit post: I copied the .terminfo folder from my user directory to the .terminfo folder under my root user directory. `Why doesn't the Backspace key generate BackSpace by default?' (i) Because the VT100 had a Delete key above the Enter key. On the other hand, I also have another account on the same machine & when I ssh through this account, its terminal works perfectly fine. Note that Docker is not mentioned by the user. If you change the TERM variable in CYGWIN before telnet or SSH to a host you will get much better results: The host now knows you have an ANSI terminal type and it can use it's ANSI TERMCAP file to tell it how to communicate. If the issue is only with the Backspace key, you can try and disable the filter or sticky keys. To change the key mapping of the backspace key to normal: stty erase "^H" Login or Register to Ask a Question Previous Thread | Next Thread If the read command sees the end of file marker (EOF) before the line is terminated by a newline, it will not treat it as a successful read. . If you have tried all the above-mentioned fixes and nothing works then chances are that its a software-specific issue. If the Backspace key on the virtual keyboard is not working, it indicates that you need to update the keyboard driver or get rid of the windows 10 system error, if any. Thanks for contributing an answer to Super User! ), 17 Best Makeshift Mousepads And Alternatives (2022 Update). The space you're seeing is the space that was supposed to stomp on the previous character. However, it may not work for all users, as the underlying cause could be related to hardware. 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. After connecting from Fedora to an OpenWrt host with ssh the remote bash Added on Jan 19 2014. Allow the utility to complete the scan and then follow the instructions. All keys seems work correctly for me. The best answers are voted up and rise to the top, Not the answer you're looking for? Switch to the Compatibility tab and you should get these options: Now you can change the Backspace key generates: setting. It only takes a minute to sign up. The backspace seems to work as expected while using Vim from the terminal in most Linux systems however. Why do many companies reject expired SSL certificates as bugs in bug bounties? Simply, plug in another functional keyboard to your existing laptop or PC and see whether its Backspace key is working or not. ), HDMI 2.0 Max Refresh Rate & Resolution (Can You Get 144Hz?). However, this shortcut is implemented by the X server and may not work if X hangs in some ways. FWIW, I tried rebuilding bash locally (first time, so hopefully it's OK) and it seems to fix the issue. There are also some distros that will run in . Do I need a thermal expansion tank if I already have a pressure tank? The -a flag will give a human-readable output of the control characters. Can Martian regolith be easily melted with microwaves? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. I added in braces how they behave on my system: I had the same problem, using bash in Gnome-Terminal. EDIT1: Also rebuilding the bash package with the updated ncurses fixes this error under Windows 8.1 as well. It should delete the highlighted part of the text. If the key works, it means that your physical keyboard is somewhat damaged or broken. How to check if a string contains a substring in Bash. Making statements based on opinion; back them up with references or personal experience. They don't have a public issue tracker. Look in the archives - it has come up before. Does it do anything? I encountered a similar issue, that when ssh to a remote machine from tmux, my Backspace key starts to generate spaces instead. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. After removing and reinstalling via cygwin setup.exe I had this problem. I found a solution to a problem that presented like the one above. 5.3 How to tell X to interchange Delete and Backspace % xmodmap -e "keysym BackSpace = Delete" -e "keysym Delete = BackSpace" Or, if you just want the Backspace key to generate a BackSpace: This is also the inference to draw when other keys do not work. It only takes a minute to sign up. 3004 Nov 4 2000. within an xterm, I have to type ctrl-backspace to get the backspace to work, if I just type the backspace on it's own it just prints ^H characters. NOTE: this folder might be different from yours depending on the installation. If that is not the issue: Open the Settings App Go to Update & Security - Troubleshoot Run the Keyboard troubleshooter If that does not resolve this for you Open Device Manager Expand the Keyboards section Right click your keyboard and choose 'Uninstall' Then restart your PC ___________________________________________________________________ @Alexpux, what's wrong with _FORTIFY_SOURCE=2? http://linux-journal.blogspot.com/2005/04/fix-vim-backspace-doesnt-work.html, http://lifepluslinux.blogspot.in/2014/08/backspace-doesnt-work-in-vim-on-cygwin.html, How Intuit democratizes AI development across teams through reusability. Now it does the 'usual' backspace. @whtyger this worked for this script. 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? If so, how? What can a lawyer do if the client wants him to be acquitted of everything despite serious evidence? 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. Is it possible to rotate a window 90 degrees if it has the same length and width? In my case, the remote machine doesn't support "screen-256color": so either modifying the tmux config or setting directly export TERM="xterm-256color" would solve the problem. Hope there are no side-effects. It is useful when the physical keyboard has stopped working well. Readers like you help support MUO. To learn more, see our tips on writing great answers. I build my application image with the multi-stages build. 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. It's like the shell reads the keys correctly but not able to re-render the input line correctly. I banged the keyboard and about three cigarettes worth of ash fell out. 5 comments. ether@jolteon MSYS /w By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. How to insert bash scripts inside the PS1 variable. Also the backspace key works perfectly fine on Git Bash I tried googling but didn't find what I was looking for! printf "x\byz\e[D1" does print y1. Backspace and Tab keys might not work properly when you're logged in remotely to a Linux system. Now, if you are using bash, it should be enough to create an ~/.inputrc file containing these lines: As an added bonus, they will make Home and End work as well. Related Posts. Fix 4: Reinstall the Keyboard Driver This is the solution to try if the Backspace key of the on-screen keyboard does not function. Copyright 2020-2023 Techtreatbox.com | All rights reserved. To do this, press Fn+Esc keys to lock and unlock the funtions touchs. I got linux on my PC and prefer the tcsh shell. Whether youre using a laptop or a PC computer, its quite annoying to have your key fail to work. 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. by choronzon Tue May 14, 2013 12:22 am. I just installed Cygwin and the BACKSPACE functionality is not there, i.e. Now that you've sorted out the Backspace key issue in the Linux terminal, you can really get to work. Share Improve this answer Follow answered Aug 23, 2010 at 6:39 CarpeNoctem 2,407 4 23 32 Add a comment Your Answer Switch to the Compatibility tab and you should get these options: Now you can change the Backspace key generates: setting. Super User is a question and answer site for computer enthusiasts and power users. This seems to happen with arrows and backspace. Bash backspace deleting one word at a time. (I had the problem specifically when doing su -i). This would be more helpful if it explained a little more and how to change it, but it was the problem I had. If there are any new updates, Windows 10 / 11 will be installing them. 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. Share Improve this answer Follow answered Apr 11, 2015 at 10:06 Kunal Kapadia 151 1 1 Add a comment 4 The simplest fix by far. Assuming you're using gnome-terminal as emulator, open the Edit manu and click on Profile preferences. Today I ran pacman -Syu which upgraded the following packages (from the end of /var/log/pacman.log): After this update the arrow keys and backspace don't work correctly at the shell input line, in a weird way. Say it is ^H. If there is a hardware error, the problematic keyboard will work on another PC or laptop. It works in other packages though so id say this is something that needs to be looked at upstream by the ncurses devs. What I don't understand though is why my shell handles backspace as expected, but reading from stdin in my app does not. Up arrow works but then the shell doesn't clean up the line with history inputs and just appends the history items to the line. If it doesn't say "^H" this may be your problem. Isn't there a better fix for struct FILE? If you don't have termcap installed install it but . Minimising the environmental effects of my dyson brain. Hope this helps someone. The PR linked just above should work around the crash, I hope. Not sure why it didn't previously, I guess I accidentally ran it in mingw env while now I did it in msys2 env. 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. You could have said: stty erase k [ENTER] The problem is that there are many ways to represent a backspace, but the read command doesn't understand all of them. Can I tell police to wait and call a lawyer when served with a search warrant? Look around putty's options menu for a "send hard reset" option as well. What I'd like to do is bind both ^? rev2023.3.3.43278. But there is a far simpler way found here: I reinstalled MSYS2 from scratch and updated all packages, no issue so far. http://linux-journal.blogspot.com/2005/04/fix-vim-backspace-doesnt-work.html, Worked for me: In the Windows command prompt, type. I get space when i hit backspace on both minty terminal as well as cygwin terminal, @Rachel Did you ever resolve this? How do I get to know the value of TERM? US, UK etc. /usr/share/terminfo/r/ . How to tell which packages are held back due to phased updates. Manage Settings After it's enabled, you can press Ctrl+Alt+Backspace to immediately restart your X server. Is it with the keyboard or with the laptop? What sort of keyboard do you have? 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. Never even though to look at my login shell! But the terminal does seem to interpret \b (backspace) and \e[D (move one column left) correctly. TERM=blahblah. 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. However, this does not impact our reviews and comparisons. Normally you figure out which key code the shell sees and assign this to your desired "widget". You can check what control characters the system uses with the stty command. I tried the following with and without a ~/.bashrc file: Pressing few chars and then a backspace seems to print a space. I used # stty -icanon to disable the 4k limit, but lost the ability to use backspace (erase). Can Martian regolith be easily melted with microwaves? Try to install the Terminal Emulator Mintty (http://code.google.com/p/mintty/). So, if this does not work, it is worth trying out other below solutions. Can Martian regolith be easily melted with microwaves? Some of our partners may process your data as a part of their legitimate business interest without asking for consent. Uh oh new msys2-runtime breaks windows cmake, it cannot find itself after update. This deletes the but I am getting: > ls foo.c ls: cannot access 'foo.c'$'\303': No such file or directory. 0. Why are Suriname, Belize, and Guinea-Bissau classified as "Small Island Developing States"? My backspace did nothing, when it should have sent a destructive delete. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Also Tab & del keys don't work too. Anyway I found this post, which lead me to the solution for my install. 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. You may have to check the "Hide Obsolete" checkbox for term to appear in the search. In the remote host, run #stty erase ^H. backspace in Vim instert mode (see here: https://bugs.gentoo.org/154090). Github IMHO has quite a bad code viewer. Most application will expect that you already have the emulator set to something compatible such as xterm or linux. What Is the Difference Between 'Man' And 'Son of Man' in Num 23:19? with stty erase ^H or stty erase ^? Disconnect between goals and daily tasksIs it me, or the industry? Changing the TERM variable to cygwin and adding SET TERM=cygwin to the .bat file didn't work for me, but I fixed it. Bash shell: how to reconcile portable configuration files and GUI terminal start-up types (login or interactive)? Click the Options button and enable the Control + Alt + Backspace check box under Key sequence to kill the X server. rev2023.3.3.43278. Is it possible to create a concave light? Additionally, the release notes say: hese notes are for ncurses 6.1, released January 27, 2018. To use this utility in Windows 10, perform the following steps: If your computer is facing a malware attack, the probability of it restricting the use of keyboard keys such as Backspace and Enter up to some extent is high. That should hopefully solve your issue! When pressing the backspace key Cygwin falsly interpreted it as a space. command but not successfully. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. This is because your default shell is sh, to use bash, just run bash from your shell. Therefore I suggest you add the export TERM=xterm in bash_profile or bashrc. This is the only thing that worked for me, especially since if you have to SSH to a server (not all fixes will work) I used to add stty erase ^? First, enter CTRL + V ALT + CyrChar in your shell. We try our best to keep things fair and balanced, in order to help you make the best choice for you. Look for the "erase" character. Assuming ncurses 6.1 may break binary compatibility, it would need a rebuild of all packages which use ncurses. I know it is strange. If it says "^H," then it uses the older Backspace character. Use This Guide), Cursor Disappears in Chrome? Note: if you already installed cygwin just run installer again and add xterm package. One of the easiest ways to fix this problem is to type /bin/bash at the command line interface prompt: $ /bin/bash The afore mentioned command will execute the Bourne Again Shell on top of the existing shell as a subprocess. This is also the case with the Sticky key. What I am doing then is to type <up> to get that command line from the history and edit it, i.e. Styling contours by colour and by line thickness in QGIS. How to concatenate string variables in Bash, Git is not working after macOS Update (xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools). You'll see what code is sent as "erase". maybe related: https://bugs.archlinux.org/task/57300?project=1&string=ncurses, Possibly interesting development: mintty/mintty#738 (comment). How Much Storage Should a Gaming PC Have in 2022? Okay, yeah, I didn't know of this issue. To do this, put. I searched for issues with backspace key and i tried checking and unchecking iterm's "delete key sends ^H" option but it did not change backspace behavior. This article aims to help you with the problem and gives you some solutions to what to do if your backspace doesnt work anymore. Similarly, try using the same problematic keyboard with another laptop or PC. 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. 9 Ways To Unlock Mac Keyboard (2022 Update), Right-click your keyboard driver or software and select. Added on Nov 4 2000. The backspace works on the cmd terminal of VS code though. The user's problem with the terminal in a remote machine and the problem I faced in a docker container may be caused by the same issue, which is related to the terminfo (about terminfo). How can this new ban on drag possibly be considered constitutional? vegan) just to try it, does this inconvenience the caterers and staff? edit - bash does build now. What's the difference between a power rail and a signal line? So guess it might need some patches to get around this. Staging Ground Beta 1 Recap, and Reviewers needed for Beta 2. And what is the difference? The former one allows you to press one key at a time for keyboard shortcuts and the latter one tells the keyboard to ignore repeated keystrokes. Where does this (supposedly) Gibson quote come from? To learn more, see our tips on writing great answers. And what's the output of the. Ctrl + C Tags: Backspace Linux sqlplus Unix previous SQL Developer Change Language i newer had any problem with it so im curious. Ive seen a few people struggling with using the backspace key in Outlook (Exchange and Outlook.com). 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. What's the difference between a power rail and a signal line? ether@jolteon MSYS /w For example on my Arch Linux system I have /usr/share/vim/vimfiles . Ctrl Z now works. 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. If you preorder a special airline meal (e.g. A lot of older computer terminals used a different control character for Backspace than today, using "Ctrl + H.", Modern terminals use "Ctrl + ?" Verify that the remote host shell TERM setting matches your terminal's term setting (localhost) and that the remote host supports the TERM setting. If you hit ^L you can see that backspace IS working. Yes, you can use .editorconfig, but it doesn't apply to issues, README.md, etc. Simply run Cygwin setup again and reinstall termcap and terminfo. Solved: Hi I am connecting my HP-UX thru Telnet using putty. The corrupted association between windows 10 and your physical keyboard is the reason why your Backspace key has stopped working. When you set the TERM type you are telling the host which TERMCAP to use to draw within the terminal window. I'm running very simple script which reads line by line and prints entered line back to terminal: It works fine, but when I'm trying to edit line with backspace character it prints ^?instead of deleting character. You'll see what code is sent as "erase". I checked my /var/log/pacman.log which ended with: So, somewhere between 2018-01-15 and 2018-01-30 this regression happened. https://ci.appveyor.com/project/zklhp/msys2-packages/build/1.0.16/artifacts. Add a comment. Would you mind sharing your build procedure? 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. It does exactly the same thing as the backspace key. Solved: using "tab", "backspace" and "arrow" keys. If you preorder a special airline meal (e.g. If so, how close was it? Logged in to "-bash", not to "bash". Continue with Recommended Cookies. If I set it to ^H or ^? What is the correct way to screw wall and ceiling drywalls? Learn more about Stack Overflow the company, and our products. To open the virtual keyboard, go to Ease of Access keyboard settings and click Keyboard in the left panel. Let know if my zshrc (at the bottom) is incorrect or if there are incompatible plugins or keybinds listed. Reboot your computer and see if the problem is fixed or not. Since backspace works at the command line, you will can set it using the following: At command line, type: CTRL-V and the backspace character. vegan) just to try it, does this inconvenience the caterers and staff? Thus, it is wise to switch off these keys when it comes to how to get the Backspace key functioning back normally. I don't know why they were missing; found someone else with that issue, went into setup and told terminfo and termcap to reinstall, and everything worked. I posted previously on SQLPLUS having a really unfriendly user interface, but with this problem makes it even worse. Connect and share knowledge within a single location that is structured and easy to search. Most of the information in https://web.archive.org/web/20120621035133/http://www.ibb.net/~anne/keyboard/keyboard.html is indeed what you need. ``` If this is the reason, you will have to run your antivirus or antimalware software to get rid of the malware. Learn more about Stack Overflow the company, and our products. (ii) Because Linus decided so. :(. Once you press [ENTER] you should be able to press your [BACKSPACE] key and have it backspace/delete whatever you typed. $ TERM=xterm-256color If you're using the terminal to log in to remote systems, you can be even more productive with the combination of tmux and Mosh, letting you create sessions that can keep you connected forever. This is how to fix backspace not working in Word: There are no settings in Excel that would block the backspace key so if you have tried all the 8 fixes mentioned above chances are that its just a software issue. SSD as primary or secondary drive on a small Linux server? If it is set to "^C" or "^\" it is your problem. Browse other questions tagged. Either the last space will get erased (backspace functioning correctly, delete. You can check your TERM by running echo $TERM, but before you do this I suggest you restart your vscode as you have already set the TERM by using the command. This page has all the information you will ever need on this issue; I suggest you read it. Something tells me we should hold off on this version untill it becomes more stable. GitHub / (fixed after rebuilding bash): editing keys don't work in CLI in bash with TERM=xterm-256color . What am I doing wrong here in the PlotLegends specification? David holds a B.A. #generic-linux, #linux. This did not fix the issues.. however, it did allow me to then perform an update via the plugins manager which got me to version 0.1.11638 which resolved the backspace issue and gives the wonderful ERD. I'd highly recommend getting Partition Magic to "sqeeze" your existing Windows partition down in preparation for this process, though. Slow Requests on Local Flask Server; Automatically setting the id HTML attribute of a form element in flask-wtforms; Docker-compose flask app not printing output from 'print' Why is this sentence from The Great Gatsby grammatical? (7 Things That Will Help You! Making statements based on opinion; back them up with references or personal experience. Did any DOS compatibility layers exist for any UNIX-like systems before DOS started to become outmoded? Did you ever resolve this? indent autoindent eol () start CTRL-W CTRL-U . Calculating probabilities from d6 dice pool (Degenesis rules for botches and triggers). (Yes! 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). 6,402, 678 Maybe key mapping. My rebuilt bash still does this. Are there tables of wastage rates for different fruit and veg? |TERM=blahblah| . The best answers are voted up and rise to the top, Not the answer you're looking for? Asking for help, clarification, or responding to other answers. ether@jolteon MSYS /w An example of data being processed may be a unique identifier stored in a cookie. Take the backspace for example, the remote host expects some character to be used as "erase/backspace" , while you pressing backspace in the terminal , the terminal program will send some character to the remote host, if what the remote host expects diffs with the characters sent by the terminal program, you would encounter this issue. 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