I couldn't figure out why is this happening. To open the virtual keyboard, go to Ease of Access keyboard settings and click Keyboard in the left panel. 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. He has been using Linux regularly in some form since 2006. I got linux on my PC and prefer the tcsh shell. Trying to delete characters in insert mode with the backspace key sometimes doesn't seem to work. Just wondering why the backspace key does not work within SQL*Plus? Look around putty's options menu for a "send hard reset" option as well. I start my mintty session with xterm-256color, and I can reproduce the backspace problem as stated. When I enter TERM=xterm, the problem disappears, even after I set TERM=xterm-256color again. You can now navigate webpages in Chrome by pressing Alt + left arrow to open a previous page and Alt + right arrow to move forward. Backspace doesn't work inside running bash script, https://unix.stackexchange.com/questions/131105/how-to-read-over-4k-input-without-new-lines-on-a-terminal, How Intuit democratizes AI development across teams through reusability. ), 17 Best Makeshift Mousepads And Alternatives (2022 Update). vegan) just to try it, does this inconvenience the caterers and staff? Do I need a thermal expansion tank if I already have a pressure tank? You have these five options below available to chose from. (NOT fixed after rebuilding bash): bash aborts after setting TERM to some dummy name, e.g. Clearly this is a regression in or triggered by ncurses 6.1; the changelog mentions some changes to xterm-256color. 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. You can easily fix it by going to Settings > Text and images and turning off the Use slash commands and preview emojis, mentions, and markdown syntax as you type feature. Linux is a registered trademark of Linus Torvalds. When you set the TERM type you are telling the host which TERMCAP to use to draw within the terminal window. A journalist by training, he discovered the power of Unix-like operating systems and the command-line interface while learning how to edit video on macOS. 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. Verify that the remote host shell TERM setting matches your terminal's term setting (localhost) and that the remote host supports the TERM setting. The nature of simulating nature: A Q&A with IBM Quantum researcher Dr. Jamie We've added a "Necessary cookies only" option to the cookie consent popup. How to have bash write two bash history files without changing bash source code? Connect and share knowledge within a single location that is structured and easy to search. I've been trying to research this issue on Google, but did not find anything conclusive. It only takes a minute to sign up. (7 Things That Will Help You! When I ssh into another machine with Debian with my account(with sudo permissions), my backspace key generates some awkward symbols on pressing. Bulk update symbol size units from mm to map units in rule-based symbology. How do I tell if a file does not exist in Bash? His writing has appeared in Techopedia, TMCnet, and the Motley Fool blog network. The best answers are voted up and rise to the top, Not the answer you're looking for? No idea why. To learn more, see our tips on writing great answers. Calculating probabilities from d6 dice pool (Degenesis rules for botches and triggers). When you make a purchase using links on our site, we may earn an affiliate commission. How can I explain to my manager that a project he wishes to undertake cannot be performed by the team? If you preorder a special airline meal (e.g. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Whether youre using a laptop or a PC computer, its quite annoying to have your key fail to work. Is it suspicious or odd to stand by the gate of a GA airport watching the planes? If you have tried all the above-mentioned fixes and nothing works then chances are that its a software-specific issue. 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. If that happens, the last line of text will not be passed to the body of the loop and will not be processed. [rendering fine] Unfortunately, theres no alternative key that would do the same as backspace however there may be a workaround: just try to select the text with your mouse/touchpad and tap the delete (DEL) button. When pressing the backspace key Cygwin falsly interpreted it as a space. Please note 16.10 reached the end of its support cycle last month. 6,402, 678 Maybe key mapping. Why is there a voltage on my HDMI and coaxial cables? Styling contours by colour and by line thickness in QGIS. Did you know that windows 7, 8, and 10 can troubleshoot your keyboard? Never even though to look at my login shell! Downgrading ncurses solved it for me. This will add it to the .bashrc and everything may work nicely! Making statements based on opinion; back them up with references or personal experience. You can use set -o gmacs or set -o emacs if you want it to act like emacs, that means like bash default (you can also write set -o vi in bash so that it acts like the vi editor : ( Furthermore, with this mode, backspace is control-H 3) You can write export VISUAL=gmacs (or emacs) in your .profile and dot it again or reconnect. How do I print colored text to the terminal? Added on Jan 19 2014. 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. and sometimes it thinks it is ^H, and happens to be incorrect and outputs the wrong character when I press backspace. Ctrl Z now works. This malfunctioning means the issue lies in the keyboard driver. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. How to make the prompt beep with every key press/character printed? Well, the operating system comes with an integrated keyboard troubleshooter. Try to install the Terminal Emulator Mintty (http://code.google.com/p/mintty/). ether@jolteon MSYS /w TERM=blahblah . Up/down/left/right arrows while in less (/usr/bin/less) does seem to work correctly. Is a PhD visitor considered as a visiting scholar? But there is a far simpler way found here: Since it seemed that OpenWrt repos did When it comes to why my Backspace is not working in Chrome, MS Word, or Windows 10 / 11; it is required to troubleshoot the issue by scanning the related hardware as well as software. Here is a patch I wrote which solves this issue, which was applied to 0.16.4 source but it should work on newer source with little tuning, let me know if you have problems. Asking for help, clarification, or responding to other answers. And during that research, I was led to the above link. terminfo file from source host to remote host directory: Have a question about this project? You can fix the Tab issue with the same as above. Now, you may have thought that something is wrong with Chrome or some malware has done its wicked job. Assuming you're using gnome-terminal as emulator, open the Edit manu and click on Profile preferences. Already on GitHub? You'll see what code is sent as "erase". Go to Start , then select Settings > Ease of Access > Keyboard, and turn on the toggle under Use the On-Screen Keyboard. How is an ETF fee calculated in a trade that ends in less than a year? Assuming ncurses 6.1 may break binary compatibility, it would need a rebuild of all packages which use ncurses. If you preorder a special airline meal (e.g. vegan) just to try it, does this inconvenience the caterers and staff? 1) On your keyboard, press the Windows logo key and R at the same time to invoke the Run box. Turning off the filter keys will discard the risk of all probable interruptions to the keyboards overall functionality, which may fix the Backspace issue. No shell was defined in. Would you mind sharing your build procedure? Looks like the remote host does not support tmux-256color, the TERM value sent by tmux. $ TERM=xterm Can I tell police to wait and call a lawyer when served with a search warrant? However, after an update, you may have noticed that the shortcut does not work anymore. What I am doing then is to type <up> to get that command line from the history and edit it, i.e. Here's how you can easily remediate this issue. Note that Docker is not mentioned by the user. David has been able to combine his passion for computing and writing in his career as a freelance writer. 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. I'd highly recommend getting Partition Magic to "sqeeze" your existing Windows partition down in preparation for this process, though. $ echo $TERM To learn more, see our tips on writing great answers. 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. Sign in I know it is strange. What I'd like to do is bind both ^? I agree with all the answers here. 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. 31.3k 9 80 107. And when I press Ctrl + backspace the output is ^H. Many SSH clients let you modify the setting that controls how the Backspace (or delete) key functions. Interview Preparation Course; Data Science (Live) GATE CS & IT 2024; Data Structure & Algorithm-Self Paced(C++/JAVA) Data Structures & Algorithms in Python; Explore More Self-Paced Courses; Programming . Well, in reality, this is not the reason. 2) Type devmgmt.msc and press Enter. Hi, my name is Luke and Im the creator of the TechTreatBox. Ok, I had this issue with manually updating a Cygwin install. Reboot your laptop or PC so that Windows can reinstall the keyboard automatically. Please help. Replacing broken pins/legs on a DIP IC package. Also check if the Fn key on the keyboard is not locked. 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. Not the answer you're looking for? 7 Best MMO Keyboards for a Better Gaming Experience (2022 Guide), 5 Best 1800 Compact Keyboards (Your 2022 Guide), How To Fix Your Keyboard When Its Acting Weird? So tmux communicated to the remote host properly but we have backspace or some other matching key issue. 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. If so, how? The best answers are voted up and rise to the top, Not the answer you're looking for? 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. @Rachel Thanks, though I found out that my problem was that the Cygwin install missed some important files (like /usr/lib/terminfo). pacman -U /var/cache/pacman/pkg/ncurses-6.0.20170708-2-x86_64.pkg.tar.xz. 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] My code is GPL licensed, can I issue a license to have my code be distributed in a specific MIT licensed project? I can backspace sometimes, but at other times it does nothing; the cursor doesn't go to the left, and absolutely nothing seems to happen.. I banged the keyboard and about three cigarettes worth of ash fell out. TERM=blahblah. That will give you backspace capabilities in everything but emacs. I get space when i hit backspace on both minty terminal as well as cygwin terminal, @Rachel Did you ever resolve this? Your backspace key may be broken due to a bad mapping which has been loaded into Vim. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. Either the last space will get erased (backspace functioning correctly, delete. Some more background to my problem/solution: I had a problem where I need to paste more than 4k characters. Use # stty icanon to allow the "canonical (cooked) mode". Has 90% of ice around Antarctica disappeared in less than a decade? So if you press ^H (that's CONTROL-H) and your key backs up but you hit the BACKSPACE key and it does not try using stty as follows: The '\' tells it that the next character is going to be a non-printable control-character and to accept it, not "interpret" it. [1] 2. 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. This also resolved a similar issue I was having with the cursor keys. To get rid of the corrupted keyboard driver, simply uninstall the keyboard. To avoid this, use VT100.backarrowKey: false instead, so: (see also https://wiki.archlinux.org/index.php/Xterm#Fix_the_backspace_key). 7 Exciting Smartphones Unveiled at MWC 2023, The 5 Weirdest Products We Saw at MWC 2023, 4 Unexpected Uses for Computer Vision In Use Right Now, What Is Google Imagen AI? I'm not planning downgrade ncurses. 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. 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. My rebuilt bash still does this. Did you ever resolve this? . Theres one solution to that, you can install the Shortcut chrome extension and override the default browsers settings or get used to the new keys combination introduced by Chrome: Now, in Chrome, you need to use the backspace key alternative, meaning a new set of keys to navigate. Most of us are aware of the on-screen keyboard or the virtual keyboard that Windows operating system provides. Now that you've sorted out the Backspace key issue in the Linux terminal, you can really get to work. Instead need to find why it happen. Why do small African island nations perform better than African continental nations, considering democracy and human development? I used # stty -icanon to disable the 4k limit, but lost the ability to use backspace (erase). Use This Guide), Cursor Disappears in Chrome? However, this shortcut is implemented by the X server and may not work if X hangs in some ways. Backspace and Tab keys might not work properly when you're logged in remotely to a Linux system. Is it known that BQP is not contained within NP? (Even though this behavior is unsafe ). What I don't understand though is why my shell handles backspace as expected, but reading from stdin in my app does not. This is the solution to try if the Backspace key of the on-screen keyboard does not function. indent autoindent eol () start CTRL-W CTRL-U . Is there any global settings where I can have this configurations done for all input? Logged in to "-bash", not to "bash". You can set the erase character to the one your computer uses with this simple command: Try this and see if the Backspace key works correctly. Unix & Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un*x-like operating systems. It only takes a minute to sign up. Best Terminal for cygwin. Is it with the keyboard or with the laptop? when in a cygwin, how can I display the windows folder where cygwin is installed? 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. Can Martian regolith be easily melted with microwaves? 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. In the terminal, type Ctrl v and press your backspace. I hope that you will enjoy my blog. Share Improve this answer Follow answered Apr 11, 2015 at 10:06 Kunal Kapadia 151 1 1 Add a comment 4 Fix 4: Reinstall the Keyboard Driver This is the solution to try if the Backspace key of the on-screen keyboard does not function. So, if this does not work, it is worth trying out other below solutions. typing echo xy does print y, but shows at the command line while typing as $ echo x y, and typing echo xy does print yx but shows at the input line as $ echo xyx. On Windows 10 (Fall Creators Update) both TERMs don't produce this error (at least for me). 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. 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.. If this is your case, check in the tmux config for: The above would set the environment variable TERM to "screen-256color", which would be used by the SSH client to communicate with the remote machine. This should help. bash terminal I posted previously on SQLPLUS having a really unfriendly user interface, but with this problem makes it even worse. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Asking for help, clarification, or responding to other answers. You can set this in your shell. Its much worse if it happens to other keys on your keyboard as well. Why do many companies reject expired SSL certificates as bugs in bug bounties? Share. Does Counterspell prevent from any further spells being cast on a given turn? Make sure you replace foo with exactly what follows the ^ [. The difference between the phonemes /p/ and /b/ in Japanese, Recovering from a blunder I made while emailing a professor. 78.1k 28 392 615. answered Sep 30, 2015 at 11:52. If your Backspace key is not working in the current console, you may try the following ways to work around it: Ctrl + Backspace Ctrl + H Ctrl + ? Fortunately, you can also fix this with the stty command. ether@jolteon MSYS /w Ctrl + C Tags: Backspace Linux sqlplus Unix previous SQL Developer Change Language To do this, press Fn+Esc keys to lock and unlock the funtions touchs. ether@jolteon MSYS /w By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Learn more about Stack Overflow the company, and our products. After removing and reinstalling via cygwin setup.exe I had this problem. 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. Theoretically Correct vs Practical Notation. What's the difference between a power rail and a signal line? in communication from California State University, East Bay. Then click Uninstall device. Did this satellite streak past the Hubble Space Telescope so close that it was out of focus? How To Fix Backspace Key on Laptop/PC with Windows 10/11, Fix 2: Check the Backspace Functionality on Another Laptop or PC, Fix 6: Scan for viruses and Other Malware, More specific cases of not working backspace key, Backspace Not Working in Chrome to Delete Text, The Backspace Key is Not Working in Excel, The Backspace Key is Not Working on Discord, The Backspace Key is Not Working in Outlook. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. In my case, I had to switch from xterm-256color to xterm-88color and it is far better than other options. (Solved! If you hit ^L you can see that backspace IS working. Related Posts. I build my application image with the multi-stages build. 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 ___________________________________________________________________ Is it known that BQP is not contained within NP? Hmm ok scratch that, for some reason one of the updates had deleted the fstab file, after recreating it it worked again. 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. Use the following command in SQL*PLUS : !stty erase <backspace> but instead of the <backspace> statement, simply press the backspace button and hit return with what it gives you. To do so: Now, check whether the key is working or not. This would be more helpful if it explained a little more and how to change it, but it was the problem I had. Thanks for contributing an answer to Stack Overflow! rev2023.3.3.43278. I do not know if this case matches every one. Thanks for contributing an answer to Ask Ubuntu! It might help us identify where the problem lies. Normally you figure out which key code the shell sees and assign this to your desired "widget". backspace problems, https://web.archive.org/web/20120621035133/http://www.ibb.net/~anne/keyboard/keyboard.html, https://wiki.archlinux.org/index.php/Xterm#Fix_the_backspace_key, How Intuit democratizes AI development across teams through reusability. 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. One way to get around it is by including stdio.h before any of the ssp headers in ncurses. 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 ^? Improve this answer. Disconnect between goals and daily tasksIs it me, or the industry? Can you give more details of how you installed and invoked Cygwin, and where exactly the backspace key fails to work? How can this new ban on drag possibly be considered constitutional? You should be able to configure what exactly is sent when pressing the Backspace key in your terminal emulator's settings. Backspace versus Delete On a Windows keyboard, the backspace key deletes characters. Learn more about Stack Overflow the company, and our products. The linux console emulates a vt220 terminal which has the following key-mapping: Rebuild bash can fix the problem. Then use bind '"\efoo":kill-word' to bind that to the kill-word command. SSD as primary or secondary drive on a small Linux server? This is a big hope to restore the keys functionality to Chrome and other applications. The nature of simulating nature: A Q&A with IBM Quantum researcher Dr. Jamie We've added a "Necessary cookies only" option to the cookie consent popup, Announcement: AI-generated content is now permanently banned on Ask Ubuntu. remove the by typing a backspace. It resets all the special characters to their default values. What if no code at all is sent? Asking for help, clarification, or responding to other answers. Backspace Not Working on VS Code's Bash Terminal, How Intuit democratizes AI development across teams through reusability. vim set backspace backspace= backspace .vimrc set backspace=2 3 0 same as ":set backspace=" (Vi compatible) 1 same as ":set backspace=indent,eol" 2 same as ":set backspace=indent,eol,start" cp /usr/share/vim/vimrc ~/.vimrc set backspace=indent,eol,start The text was updated successfully, but these errors were encountered: It seems the shell is not able to move the cursor backwards, and when it tries to re-render the line, it just appends the new string instead of replacing the old one. (2022 Edition), Can You Use Zoom on Firestick? Reboot your computer and see if the problem is fixed or not. All character is changed strrange character, Force telnet / ssh to use crtl-H for backspace, Read and process a string, char by char, yet allow user to simple line edit the input, Tmux Terminfo problem with Zsh key bindings.