(Solved! There are several different ways to set your backspace key when this happens. Its much worse if it happens to other keys on your keyboard as well. Normally you figure out which key code the shell sees and assign this to your desired "widget". I tried the following with and without a ~/.bashrc file: Pressing few chars and then a backspace seems to print a space. $ TERM=xterm-256color So, after ssh to unix host (it doesn't depend debian it or other host) set the TERM variable according to your terminal. I think your TERM was set to something incompatible. Doesn't work for me, apparently the cache was cleaned at some stage. I'm not planning downgrade ncurses. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. 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 + ? The backspace seems to work as expected while using Vim from the terminal in most Linux systems however. This is because your default shell is sh, to use bash, just run bash from your shell. ether@jolteon MSYS /w Disconnect between goals and daily tasksIs it me, or the industry? Asking for help, clarification, or responding to other answers. the following line in your .startup.tty file: stty erase "^H". Sign up for a free GitHub account to open an issue and contact its maintainers and the community. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. Improve this answer. It only takes a minute to sign up. In the terminal, type Ctrl v and press your backspace. Reinstalling does not work either and i cannot recompile it either because the bootstrapped version also cannot find itself. To learn more, see our tips on writing great answers. del and backspace no longer work - Linux Mint Forums The Linux keyboard and console HOWTO: Delete and Backspace Make sure you replace foo with exactly what follows the ^ [. Beside "stty" solution, you may try the "TERM" solution. Thanks! 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. key. Unix shell - View topic - tcsh: backspace doesn't work So, if this does not work, it is worth trying out other below solutions. Downgrading ncurses solved it for me. 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. Re: [LINUX5250] destructive backspace patch (was: I'm back In case it helps. What sort of strategies would a medieval military use against a fantasy giant? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Backspace Not Working on VS Code's Bash Terminal, How Intuit democratizes AI development across teams through reusability. They might say something like "I love Linux system mangling^H^H^H^H^H^H^Hadministration.". Console applications read ASCII sequences, not keysyms. Currently I have ASCII DEL. I got linux on my PC and prefer the tcsh shell. Why is there a voltage on my HDMI and coaxial cables? Allow the utility to complete the scan and then follow the instructions. Vim - bacchi.me And when I press Ctrl + backspace the output is ^H. To enquire how your keys are mapped: stty -a Look at the "erase =" subsection. rev2023.3.3.43278. To do so: Now, check whether the key is working or not. You can even remove the Backspace key to know whether it is damp or covered with dust and clean it completely. My backspace did nothing, when it should have sent a destructive delete. Best Terminal for cygwin. I usually use this to fix any funky character output in my terminal. Learn more about Stack Overflow the company, and our products. Find centralized, trusted content and collaborate around the technologies you use most. Is it with the keyboard or with the laptop? If there are problems with cygwin, I even tried it from ubuntu terminal, but same problem. 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. I do not know if this case matches every one. Super User is a question and answer site for computer enthusiasts and power users. Would you mind sharing your build procedure? You should upgrade to 17.04 as soon as possible. You signed in with another tab or window. Minimising the environmental effects of my dyson brain. Does it do anything? Bash, how to globally fix ^H and ^? I'm seeing it now on my new Cygwin install, though it previously worked. ``` The space you're seeing is the space that was supposed to stomp on the previous character. 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). It is wise to try easy and basic solutions first. If you are wondering how to fix backspace key on windows 10/11 this should be the very first thing to try. 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. How to make the prompt beep with every key press/character printed? At times, your keyboard is greatly influenced by these keys. ether@jolteon MSYS /w [broken rendering] If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. Why doesn't the backspace key work in insert mode? First, enter CTRL + V ALT + CyrChar in your shell. 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. (Note: use Ctrl v + Backspace, do not type the ^ manually) You can fix the Tab issue with the same as above. EDIT1: Also rebuilding the bash package with the updated ncurses fixes this error under Windows 8.1 as well. Bash shell: how to reconcile portable configuration files and GUI terminal start-up types (login or interactive)? See some explanation here https://unix.stackexchange.com/questions/131105/how-to-read-over-4k-input-without-new-lines-on-a-terminal. Now, on it, just press the Backspace key using your mouse. 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 ). Is this possible? If the issue is only with the Backspace key, you can try and disable the filter or sticky keys. In the remote host, run #stty erase ^H. Thanks for pointing out the shortcomings of my previous answer. Try to install the Terminal Emulator Mintty (http://code.google.com/p/mintty/). If there are any new updates, Windows 10 / 11 will be installing them. 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. If you preorder a special airline meal (e.g. `Why doesn't the Backspace key generate BackSpace by default?' (i) Because the VT100 had a Delete key above the Enter key. pacman -U /var/cache/pacman/pkg/ncurses-6.0.20170708-2-x86_64.pkg.tar.xz. When you set the TERM type you are telling the host which TERMCAP to use to draw within the terminal window. I have no opportunity to change the program script, this was just an example which represented my issue. Never even though to look at my login shell! /usr/share/terminfo/r/ . Short story taking place on a toroidal planet or moon involving flying, Open tmux (basically another terminal within a terminal app), From tmux run ssh command & check TERM setting, Check the following locations and find the, Open a new session to refresh your terminal. Clearly this is a regression in or triggered by ncurses 6.1; the changelog mentions some changes to xterm-256color. I found this one that worked for me. Confirm it fixes the crash for me, thanks. 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. Is it known that BQP is not contained within NP? The reason the keys (generally) do not work out-of-the-box is partly lack of configuration (as you will see later, simply creating .inputrc/.cshrc already helps a lot) and a more difficult issue which I will try to describe below.. Did you ever resolve this? [rendering fine] This is why stty isn't fixing things. Is it known that BQP is not contained within NP? Nobody talks about the real reason to use Tabs over Spaces [1] 2. Fixed it for me rebuilding ncurses against the new cygwin ssp allthough i had to hack about it a bit because the cygwin ssp bailed out with an error to find struct FILE. Solved: using "tab", "backspace" and "arrow" keys. to my .bashrc but this only fixed the issue 80% of the time. 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. Bash is just the most visible of those (assuming there are more packages depending on ncurses). Go to Start , then select Settings > Ease of Access > Keyboard, and turn on the toggle under Use the On-Screen Keyboard. I know it is strange. In my real situation I have input from program, which doesn't call read. Look for the "erase" character. @elieux there are conflicts in cygwin headers, I do have the described issues as well. One way to get around it is by including stdio.h before any of the ssp headers in ncurses. 9 Ways To Unlock Mac Keyboard (2022 Update), Right-click your keyboard driver or software and select. David is a freelance writer based in the Pacific Northwest, but originally hailing from the Bay Area. 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. Google has wittingly removed this shortcut, beginning from version 52. Share Improve this answer Follow answered Apr 11, 2015 at 10:06 Kunal Kapadia 151 1 1 Add a comment 4 How to backspace in vim? Explained by FAQ Blog Backspace, Spacebar, Enter Key Not Working? Fix It Easily! - MiniTool What video game is Charlie playing in Poker Face S01E07? Say it is ^H. @Alexpux any plans to downgrade ncurses soon? 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. Phil. 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. If the key works, it means that your physical keyboard is somewhat damaged or broken. rev2023.3.3.43278. and sometimes it thinks it is ^H, and happens to be incorrect and outputs the wrong character when I press backspace. Continue with Recommended Cookies. 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. Look around putty's options menu for a "send hard reset" option as well. TERM=blahblah. 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. or stty erase "^?" depending on which of these you normally see when you hit your backspace. What Is the Difference Between 'Man' And 'Son of Man' in Num 23:19? Ask Ubuntu is a question and answer site for Ubuntu users and developers. 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. Well, the operating system comes with an integrated keyboard troubleshooter. Ctrl + C Tags: Backspace Linux sqlplus Unix previous SQL Developer Change Language [Solved] Backspace Not Working - Driver Easy 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. What if no code at all is sent? You can set this in your shell. 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. From ubuntu all should works just fine. Backspace doesn't work inside running bash script - Ask Ubuntu Github IMHO has quite a bad code viewer. A place where magic is studied and practiced? I agree with all the answers here. To update Windows 10 / 11, you should check for Windows Update in Settings. #generic-linux, #linux. Simply, plug in another functional keyboard to your existing laptop or PC and see whether its Backspace key is working or not. And what is the difference? To do this: Press Windows logo key + R on your. What can a lawyer do if the client wants him to be acquitted of everything despite serious evidence? Super User is a question and answer site for computer enthusiasts and power users. 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. If it is set to "^C" or "^\" it is your problem. You should see something like "^ [foo". vegan) just to try it, does this inconvenience the caterers and staff? They are easy to follow and have both basic and advanced measures. The cursor keys work too since the bash 4.4.0.19-1 and still with 4.4.0.19-2 . I couldn't figure out why is this happening. Connect and share knowledge within a single location that is structured and easy to search. Is there a single-word adjective for "having exceptionally strong moral principles"? Crtl C and V worked, Ctrl-Z did not, Z worked. To do this, put. You'll see what code is sent as "erase". Would you mind sharing your build procedure? I am seeing this problem, but my shell is bash. Thus, you need to replace the keyboard. 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. How to follow the signal when reading the schematic? edit - bash does build now. command line - Backspace, Tab, Del and arrow keys not working in 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. So, I'm new to VS code just installed it and I'm having an issue. Note that, @roaima @Kusalananda Thanks for pointing it out that OP didn't mention. Please note 16.10 reached the end of its support cycle last month. . How can I explain to my manager that a project he wishes to undertake cannot be performed by the team? This one fixed it for me. If it doesn't say "^H" this may be your problem. E.g. 3) Right-click on your keyboard software in the Keyboards section. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Now, you may have thought that something is wrong with Chrome or some malware has done its wicked job. You can put this in the shell's startup file, such as .bashrc for Bash and .zshrc for Zsh to have this set automatically when you log into the system. (I had the problem specifically when doing su -i). If the above fail to work, the last resort, you may interrupt the current line to start it over in the new line. Also the backspace key works perfectly fine on Git Bash I tried googling but didn't find what I was looking for! What is the correct way to screw wall and ceiling drywalls? Is a PhD visitor considered as a visiting scholar? 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. This solution is likely to work for most users. Ctrlv + backspace produces nothing For me, the backspace code is the same as. 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.. Re: [LINUX5250] Backspace key - mail-archive.com I also know of other people bumping into this issue, which, again, is quite a dealbreaker. Did any DOS compatibility layers exist for any UNIX-like systems before DOS started to become outmoded? PDF Linux Backspace/Delete mini-HOWTO - mirror.facebook.net Thank you for the information. It resets all the special characters to their default values. I can confirm the error. US, UK etc. Styling contours by colour and by line thickness in QGIS. https://ci.appveyor.com/project/zklhp/msys2-packages/build/1.0.16/artifacts. My rebuilt bash still does this. This will add it to the .bashrc and everything may work nicely! This also resolved a similar issue I was having with the cursor keys. 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. He has been using Linux regularly in some form since 2006. Can Martian regolith be easily melted with microwaves? You should be able to configure what exactly is sent when pressing the Backspace key in your terminal emulator's settings. It feels like a kludge but it works. Theoretically Correct vs Practical Notation. Switch to the Compatibility tab and you should get these options: Now you can change the Backspace key generates: setting. equivalent of backspace in ksh - UNIX After it's enabled, you can press Ctrl+Alt+Backspace to immediately restart your X server. now copy all the files and folders that exist inside /usr/share/terminfo to the folder C:\cygwin\etc\terminfo - I have this issue as well. Connect and share knowledge within a single location that is structured and easy to search. Do I need a thermal expansion tank if I already have a pressure tank? backspace makes a ^H character - LinuxQuestions.org 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) I am not able to use "tab key" for auto completion of the command. Help! Backspace Doesn't Work in the Linux Terminal - MUO And during that research, I was led to the above link. However, it may not work for all users, as the underlying cause could be related to hardware. To learn more, see our tips on writing great answers. 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. Vi/Vim - Backspace Not Working - ShellHacks I just installed Cygwin and the BACKSPACE functionality is not there, i.e. The linux console emulates a vt220 terminal which has the following key-mapping: Okay, yeah, I didn't know of this issue. If that happens, the last line of text will not be passed to the body of the loop and will not be processed. 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. ), HDMI 2.0 Max Refresh Rate & Resolution (Can You Get 144Hz?). Making statements based on opinion; back them up with references or personal experience. Ubuntu and the circle of friends logo are trade marks of Canonical Limited and are used under licence. Filter keys are useful for easier typing than normal by deterring the keyboard from focusing on repeated or brief strokes. Do I need a thermal expansion tank if I already have a pressure tank? The corrupted association between windows 10 and your physical keyboard is the reason why your Backspace key has stopped working. Is there a proper earth ground point in this switch box? The best answers are voted up and rise to the top, Not the answer you're looking for? Works for me on a bash integrated terminal in vscode. 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 . bash uses wrong character length for multi-byte characters The simplest fix by far. 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. 4 Ways to Recover From a Crashed or Frozen X Server on Linux 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. How do I get to know the value of TERM? 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. Additionally, the release notes say: hese notes are for ncurses 6.1, released January 27, 2018. vegan) just to try it, does this inconvenience the caterers and staff? Backspace and Tab keys might not work properly when you're logged in remotely to a Linux system. Print some odd charachters? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. 1518273 Jan 19 2014 edited Jan 19 2014. Asking for help, clarification, or responding to other answers. In the terminal, press Ctrl + v and press your backspace. 1,710 views. http://linux-journal.blogspot.com/2005/04/fix-vim-backspace-doesnt-work.html, Worked for me: In the Windows command prompt, type. For Working Professionals. I hope that you will enjoy my blog. To do this, press Fn+Esc keys to lock and unlock the funtions touchs. to your account. (Only after rebuilding bash): bash aborts after setting TERM to some dummy name, e.g. Anyway I found this post, which lead me to the solution for my install. Most of us are aware of the on-screen keyboard or the virtual keyboard that Windows operating system provides. I've emailed several times over the past year, but it doesn't seem like a priority. 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. @Cyrus My Backspace works as I want it deletes last character always, even for this script from question without. Ive heard many people complaining about the backspace key not working properly on Discord and this is the Discord glitch. This should help. To learn more, see our tips on writing great answers. I am using urxvt and on arch you need to install rxvt-unicode-terminfo to fix this particular issue, My backspace character is some special symbol something like an inverted triangle. Added on Nov 4 2000. How do I tell if a file does not exist in Bash? The backspace works on the cmd terminal of VS code though. Therefore I suggest you add the export TERM=xterm in bash_profile or bashrc. The reason for this is because many Linux distro's ship with pre-made vimrc files which set some common options. 2) Type devmgmt.msc and press Enter. The problem is that there are many ways to represent a backspace, but the read command doesn't understand all of them. (Yes! Arrow keys and backspace not working in bash after recent update If it is working, it means that the issue is in the existing keyboard, not in the operating system. One of them is to clean the keyboard such that all dust and dirt go away. 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 ___________________________________________________________________ Use # stty icanon to allow the "canonical (cooked) mode". GitHub / (fixed after rebuilding bash): editing keys don't work in CLI in bash with TERM=xterm-256color . This malfunctioning means the issue lies in the keyboard driver. Connect and share knowledge within a single location that is structured and easy to search.
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