Esc, Enter, and Spacebar are prone to stop operating altogether with backspace, which is very common. To avoid this, use VT100.backarrowKey: false instead, so: (see also https://wiki.archlinux.org/index.php/Xterm#Fix_the_backspace_key). Note that on the command line, the backspace works as expected, but when my program (a simple TCP socket based chat client) is reading from stdin, the backspace character prints (echoes back to the screen) ^?instead of deleting the last character. Share Improve this answer edited Jan 2, 2021 at 17:14 seminar 3 2 ctrl-v and then right arrow prints ^[[C but the shell doesn't seem to re-render the line correctly when used without it. 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 ___________________________________________________________________ Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. You signed in with another tab or window. Has 90% of ice around Antarctica disappeared in less than a decade? Whether youre using a laptop or a PC computer, its quite annoying to have your key fail to work. 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. The best answers are voted up and rise to the top, Not the answer you're looking for? ether@jolteon MSYS /w What I'd like to do is bind both ^? If that happens, the last line of text will not be passed to the body of the loop and will not be processed. I tried to google my problem a lot but didn't find solution that works for me. indent autoindent eol () start CTRL-W CTRL-U . What's the difference between a power rail and a signal line? 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, Backspace, del, arrow keys not working with interactive programs in Tilda, In SSH Terminal, I can't type any character. Recovering from a blunder I made while emailing a professor. This answer is specific to running is a Docker container and will not help in the OP's environment. ether@jolteon MSYS /w Fix 4: Reinstall the Keyboard Driver This is the solution to try if the Backspace key of the on-screen keyboard does not function. By clicking Sign up for GitHub, you agree to our terms of service and Please help. I checked my /var/log/pacman.log which ended with: So, somewhere between 2018-01-15 and 2018-01-30 this regression happened. If there are problems with cygwin, I even tried it from ubuntu terminal, but same problem. Assuming you're using gnome-terminal as emulator, open the Edit manu and click on Profile preferences. 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. you tell athena what to expect for the backspace key. 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. Solved: Hi I am connecting my HP-UX thru Telnet using putty. 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. Asking for help, clarification, or responding to other answers. Your answer could be improved by explaining the issue, i.e., the underlying cause of the problem and why your solution correctly would resolve it for the user in the question. 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 If you preorder a special airline meal (e.g. What's the difference between a power rail and a signal line? when in a cygwin, how can I display the windows folder where cygwin is installed? 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 + ? If the backspace was working okay initially and no longer is then try using the "reset" command. I'm seeing the same issue with a fresh Cygwin install. How to handle a hobby that makes income in US. xterm-256color Similar to the Backspace key, you can fix the issue using the stty command if Tab doesn't work in the terminal. I get space when i hit backspace on both minty terminal as well as cygwin terminal, @Rachel Did you ever resolve this? Verify that the remote host shell TERM setting matches your terminal's term setting (localhost) and that the remote host supports the TERM setting. When you make a purchase using links on our site, we may earn an affiliate commission. A lot of older computer terminals used a different control character for Backspace than today, using "Ctrl + H.", Modern terminals use "Ctrl + ?" I have this issue as well. 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 ^? (Only after rebuilding bash): bash aborts after setting TERM to some dummy name, e.g. Did any DOS compatibility layers exist for any UNIX-like systems before DOS started to become outmoded? Super User is a question and answer site for computer enthusiasts and power users. To solve the backspace problem, type Code: $ stty erase ^H And if you want to go to the previous commands that you've typed, /sbin/sh does not provide this feature, you have to use bash, so type Code: $ bash This User Gave Thanks to gabam For This Post: Corona688 Login or Register to Ask a Question Previous Thread | Next Thread [1] 2. Is it suspicious or odd to stand by the gate of a GA airport watching the planes? This was the reason in my case.. for that particular user. Well occasionally send you account related emails. So I'm stuck having to manually type stty erase [whatever] to fix it when I notice the backspace key is wrong. Google has wittingly removed this shortcut, beginning from version 52. I tried stty erase '^?' (Yes! What video game is Charlie playing in Poker Face S01E07? This is because your default shell is sh, to use bash, just run bash from your shell. 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. Does a summoned creature play immediately after being summoned by a ready action? I did nothing special. Cygwin Terminal backspace and arrow keys not working. It should delete the highlighted part of the text. I am using tmux to force the error since it uses an relatively uncommon terminal config. $ TERM=xterm It feels like a kludge but it works. Does Counterspell prevent from any further spells being cast on a given turn? After it's enabled, you can press Ctrl+Alt+Backspace to immediately restart your X server. #generic-linux, #linux. 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. It only takes a minute to sign up. Just log in to the machine and type "stty erase " (note the space after "erase") and then hit the backspace key. 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. Some more background to my problem/solution: I had a problem where I need to paste more than 4k characters. Rebuild bash can fix the problem. Bash, how to globally fix ^H and ^? Once you press [ENTER] you should be able to press your [BACKSPACE] key and have it backspace/delete whatever you typed. After removing and reinstalling via cygwin setup.exe I had this problem. Assuming ncurses 6.1 may break binary compatibility, it would need a rebuild of all packages which use ncurses. ``` $ echo $TERM command but not successfully. Look in the archives - it has come up before. Instead of saying "Keep" for each, click it to make it say "Reinstall". In the right panel, you will see the Onscreen Keyboard option. Looks like the remote host does not support tmux-256color, the TERM value sent by tmux. Ive seen a few people struggling with using the backspace key in Outlook (Exchange and Outlook.com). To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Hmm ok scratch that, for some reason one of the updates had deleted the fstab file, after recreating it it worked again. No idea why. Trying to delete characters in insert mode with the backspace key sometimes doesn't seem to work. I think your TERM was set to something incompatible. Apparently it was fixed for them after bash was updated, but I don't know it it was just rebuilt or maybe something else. But only on Windows 8.1 using TERM=screen-256color or TERM=xterm-256color. If the problem is with the keyboard, it will not work even in this scenario. 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. Can Martian regolith be easily melted with microwaves? Now it does the 'usual' backspace. Simply run Cygwin setup again and reinstall termcap and terminfo. Use This Guide), Cursor Disappears in Chrome? Now, you may have thought that something is wrong with Chrome or some malware has done its wicked job. On Windows 10 (Fall Creators Update) both TERMs don't produce this error (at least for me). What is the point of Thrower's Bandolier? 3) Right-click on your keyboard software in the Keyboards section. Either the last space will get erased (backspace functioning correctly, delete. You can check if there are any mappings set, and where they came from, like this: 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. If you can't get that to work and most everything works properly except the backspace, you can reprogram "getty" on the host you connect to to recognize what you want, and here's how (this is the oldest, most common and most universal way of solving backspace/delete issues): You ssh or telnet to your host and in the host you run the stty command. Related Posts. Beside "stty" solution, you may try the "TERM" solution. Is there a proper earth ground point in this switch box? Filter keys are useful for easier typing than normal by deterring the keyboard from focusing on repeated or brief strokes. This key is known as the Del key on full-sized Macintosh keyboards. Not working means when I tap the backspace it prints a white space in the terminal. What I am doing then is to type <up> to get that command line from the history and edit it, i.e. rev2023.3.3.43278. Does it do anything? and ^H to backspace, because if I can do this, I can just add it to all of my .bashrc files, and it will certainly end this nightmare. It's definitely a problem of tcsh since in any other application the backspace works fine. It is useful when the physical keyboard has stopped working well. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Turning off the filter keys will discard the risk of all probable interruptions to the keyboards overall functionality, which may fix the Backspace issue. E.g. Thus, it is wise to use a tool such as Windows Defender or Malwarebytes for detecting malware intrusion. [rendering still fine] Deleting ~/.minttyrc helped here (or I was just lucky and that was unrelated..). Improve this answer. |TERM=blahblah| . with stty erase ^H or stty erase ^? Print some odd charachters? @Cyrus My Backspace works as I want it deletes last character always, even for this script from question without. How to Try It in Beta, How AI Search Engines Could Change Websites. ether@jolteon MSYS /w How to make the prompt beep with every key press/character printed? David is a freelance writer based in the Pacific Northwest, but originally hailing from the Bay Area. How can this new ban on drag possibly be considered constitutional? Using indicator constraint with two variables. If it is working, it means that the issue is in the existing keyboard, not in the operating system. 32 related questions found. However, after an update, you may have noticed that the shortcut does not work anymore. In my case backspace was not at all working after creating blank ~/.vimrc. Many SSH clients let you modify the setting that controls how the Backspace (or delete) key functions. . Minimising the environmental effects of my dyson brain. Instead need to find why it happen. Linux is a registered trademark of Linus Torvalds. A place where magic is studied and practiced? Thank you, this worked for me -- previously, in Vim, my backspace key was moving back along the line but was not clearing the letters until I started typing. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. $ TERM=xterm-256color US, UK etc. Something wrong with shell or termcap library on debian. Most of the information in https://web.archive.org/web/20120621035133/http://www.ibb.net/~anne/keyboard/keyboard.html is indeed what you need. ether@jolteon MSYS /w If this is the reason, you will have to run your antivirus or antimalware software to get rid of the malware. This solved the fact that cygwin64 was ignoring backspaces in commands containing line breaks. 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. To update Windows 10 / 11, you should check for Windows Update in Settings. To fix this, you may need to uninstall the keyboard driver that is experiencing backspace not working problem and then reinstall the driver. Is there a single-word adjective for "having exceptionally strong moral principles"? backspace in Vim instert mode (see here: https://bugs.gentoo.org/154090). [still broken rendering] So, if this does not work, it is worth trying out other below solutions. privacy statement. TERM variable in source Well, the operating system comes with an integrated keyboard troubleshooter. What is a word for the arcane equivalent of a monastery? I build my application image with the multi-stages build. How do I align things in the following tabular environment? Well, in reality, this is not the reason. How can this new ban on drag possibly be considered constitutional? Therefore I suggest you add the export TERM=xterm in bash_profile or bashrc. If I set it to ^H or ^? We try our best to keep things fair and balanced, in order to help you make the best choice for you. It only takes a minute to sign up. Why is there a voltage on my HDMI and coaxial cables? The backspace key not doing backspace is actually a common problem with Linux shells and terminals (see http://tldp.org/HOWTO/Keyboard-and-Console-HOWTO-5.html ). [rendering fine] export TERM=xterm will set the emulator to xterm. Also Tab & del keys don't work too. You can even remove the Backspace key to know whether it is damp or covered with dust and clean it completely. This will add it to the .bashrc and everything may work nicely! 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. Hi, my name is Luke and Im the creator of the TechTreatBox. To enquire how your keys are mapped: stty -a Look at the "erase =" subsection. Confirm it fixes the crash for me, thanks. I just installed Cygwin and the BACKSPACE functionality is not there, i.e. Maybe the ncurses update is at fault? Added on Jan 19 2014. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. I had a custom installed ncurses, that I removed. Thus, it is wise to switch off these keys when it comes to how to get the Backspace key functioning back normally. So guess it might need some patches to get around this. 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. Is a PhD visitor considered as a visiting scholar? 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. the following line in your .startup.tty file: stty erase "^H". I've been trying to research this issue on Google, but did not find anything conclusive. maybe related: https://bugs.archlinux.org/task/57300?project=1&string=ncurses, Possibly interesting development: mintty/mintty#738 (comment). 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. This malfunctioning means the issue lies in the keyboard driver. now copy all the files and folders that exist inside /usr/share/terminfo to the folder C:\cygwin\etc\terminfo - There are several different ways to set your backspace key when this happens. To add it to bashrc, type following in your terminal: go to command palette and select open shortcut key words go to this file and delete all data in this file. If there are any new updates, Windows 10 / 11 will be installing them. How to tell which packages are held back due to phased updates. Ctrl Z now works. You should be able to configure what exactly is sent when pressing the Backspace key in your terminal emulator's settings. 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. with stty erase ^H or stty erase ^? We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. Currently I have ASCII DEL. Thanks! terminal had problems with some control characters. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Here what I did: In package manager due installation I selected to install xterm: X11 terminal emulator, after installation I added SET TERM=xterm to the .bat file (like proposed above), launched terminal and in Options -> Terminal menu selected Type=xterm, then restarted terminal. My code is GPL licensed, can I issue a license to have my code be distributed in a specific MIT licensed project? What Is the Difference Between 'Man' And 'Son of Man' in Num 23:19? Look around putty's options menu for a "send hard reset" option as well. Luckily, the problem is rather easy to fix. Backspace started to work correctly! By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. ether@jolteon MSYS /w The best answers are voted up and rise to the top, Not the answer you're looking for? Reinstalling does not work either and i cannot recompile it either because the bootstrapped version also cannot find itself. For more information regarding what export TERM=xterm does you can check the following answer. Add a comment. NOTE: this folder might be different from yours depending on the installation. $ TERM=xterm-256color By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. They are easy to follow and have both basic and advanced measures. If you have tried all the above-mentioned fixes and nothing works then chances are that its a software-specific issue. When I enter TERM=xterm, the problem disappears, even after I set TERM=xterm-256color again. It might help us identify where the problem lies. Console applications read ASCII sequences, not keysyms. 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. #general-database-discussions. Here's how you can easily remediate this issue. Calculating probabilities from d6 dice pool (Degenesis rules for botches and triggers). If you do not want to uninstall the driver, you can even try updating the driver by selecting Update driver from the context menu. Would you mind sharing your build procedure? 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. So, after ssh to unix host (it doesn't depend debian it or other host) set the TERM variable according to your terminal. How do I get the directory where a Bash script is located from within the script itself? I run: And I found that doesn't work. Doug How do I check if a directory exists or not in a Bash shell script? I have no opportunity to change the program script, this was just an example which represented my issue. The backspace seems to work as expected while using Vim from the terminal in most Linux systems however. The older cygwin had a file /etc/terminfo/c/cygwin, but in the newer cygwin it expected the file to be /etc/terminfo/63/cygwin. 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. I tried ssh from cygwin (in windows) to Debian. Backspace and Tab keys might not work properly when you're logged in remotely to a Linux system. 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. I am seeing this problem, but my shell is bash. and sometimes it thinks it is ^H, and happens to be incorrect and outputs the wrong character when I press backspace. printf "x\byz\e[D1" does print y1. 1) On your keyboard, press the Windows logo key and R at the same time to invoke the Run box. How to insert bash scripts inside the PS1 variable. Your answer could be improved by explaining why your solution correctly would resolve it for the user in the question. You can fix the Tab issue with the same as above. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Manage Settings Connect and share knowledge within a single location that is structured and easy to search. Ok, I had this issue with manually updating a Cygwin install. To do this, press Fn+Esc keys to lock and unlock the funtions touchs. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Connect and share knowledge within a single location that is structured and easy to search. 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. I found this one that worked for me. vegan) just to try it, does this inconvenience the caterers and staff? 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. 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. ), HDMI 2.0 Max Refresh Rate & Resolution (Can You Get 144Hz?). If I set it to ^H or ^? Already on GitHub? The reason why Google did so was several complaints of losing data unintentionally as a result of pressing Backspace while not typing. Then I set my TERM to xterm-256color which caused the issue to appear; downgrading ncurses to 6.0 fixes the issue. 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. SSH only works if I specify the key with -i, change home folder permissions on exit/disconnect, Securely Piping String in Local Text File to Remote Command using SSH, Login SSH using RSA key instead of normal login. 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 . By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Ive heard many people complaining about the backspace key not working properly on Discord and this is the Discord glitch. What if no code at all is sent? If so, how close was it? It's great that this answer helped some other users, but in this case it's not the solution to the question since the original question isn't asking about vim. I hope that you will enjoy my blog. When I ssh into another machine with Debian with my account(with sudo permissions), my backspace key generates some awkward symbols on pressing. One of them is to clean the keyboard such that all dust and dirt go away. [broken rendering] This one fixed it for me. Why backspace key is not working? Up/down/left/right arrows while in less (/usr/bin/less) does seem to work correctly. Mutually exclusive execution using std::atomic? (ii) Because Linus decided so. Crtl C and V worked, Ctrl-Z did not, Z worked. Browse other questions tagged. I reinstalled MSYS2 from scratch and updated all packages, no issue so far. Downgrading ncurses solved it for me. So its not working. Consider you're using bash as shell and vt100 as terminal: ps: TERM should be announced via ssh automagically, but in some circumstances this magic fails. UNIX is a registered trademark of The Open Group. And what the value of TERM you have tried? I suspect I have to change a key translation table somewhere. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. rev2023.3.3.43278. For some reason the color terminal setting I was using was present under my regular user ie file called .terminfo/x/xterm-24bit, but not under the root user. Backspace versus Delete On a Windows keyboard, the backspace key deletes characters. terminfo file from source host to remote host directory: Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Why is this sentence from The Great Gatsby grammatical? 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. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. rev2023.3.3.43278. What terminal are you using? The corrupted association between windows 10 and your physical keyboard is the reason why your Backspace key has stopped working. Works for me on a bash integrated terminal in vscode. in my .bashrc file, and use some other terminal to access the server, it often ends up wrong. 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. It's worth noting that you aren't getting "a space": It's failing to move the cursor back to erase the character. We and our partners use cookies to Store and/or access information on a device. If there is a hardware error, the problematic keyboard will work on another PC or laptop. I'd like to fix this frequent problem where the shell on a remote server thinks my terminal's backspace key is ^? However, this shortcut is implemented by the X server and may not work if X hangs in some ways. I noticed few missing files in msys2 filesystem package like the one that autoregenerates fstab, what was the reason this one was removed ? 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. EDIT2: My bad the error occurs on Windows 10 as well. Why are Suriname, Belize, and Guinea-Bissau classified as "Small Island Developing States"? On a Macbook, this key is known as the Delete key. I encountered a similar issue, that when ssh to a remote machine from tmux, my Backspace key starts to generate spaces instead. Im a developer, a dad, and a big tech enthusiast. How is an ETF fee calculated in a trade that ends in less than a year? Learn more about Stack Overflow the company, and our products. 0. Is it possible to rotate a window 90 degrees if it has the same length and width? If you preorder a special airline meal (e.g. vegan) just to try it, does this inconvenience the caterers and staff? Would you mind sharing your build procedure? If it doesn't say "^H" this may be your problem. Asking for help, clarification, or responding to other answers. Similar to the Backspace key, you can fix the issue using the stty command if Tab doesn't work in the terminal. (2022 Edition), Can You Use Zoom on Firestick? https://ci.appveyor.com/project/zklhp/msys2-packages/build/1.0.16/artifacts. If you hit the "BACKSPACE" key and it does not go backward it's because the terminal is probably looking for a different character based on the TERM type.

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