Now that you've sorted out the Backspace key issue in the Linux terminal, you can really get to work. The simplest fix by far. 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. I run: And I found that doesn't work. If the above fail to work, the last resort, you may interrupt the current line to start it over in the new line. How to concatenate string variables in Bash, Git is not working after macOS Update (xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools). I couldn't figure out why is this happening. Best Terminal for cygwin. It worked. What can a lawyer do if the client wants him to be acquitted of everything despite serious evidence? How is an ETF fee calculated in a trade that ends in less than a year? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. What video game is Charlie playing in Poker Face S01E07? As it appears its a bug in the Microsoft Edge browser so the solution is quite simple: just use a different browser (such as Chrome or Firefox). ether@jolteon MSYS /w The reason why Google did so was several complaints of losing data unintentionally as a result of pressing Backspace while not typing. is it possible in HP-UX HPE GreenLake Products Support Contact Dashboard Applications Devices Manage My cart Close Close HPE GreenLake Cloud Consoles in communication from California State University, East Bay. The best answers are voted up and rise to the top, Not the answer you're looking for? In my case backspace was not at all working after creating blank ~/.vimrc. Uh oh new msys2-runtime breaks windows cmake, it cannot find itself after update. Backspace started to work correctly! It's worth noting that you aren't getting "a space": It's failing to move the cursor back to erase the character. Note that, @roaima @Kusalananda Thanks for pointing it out that OP didn't mention. 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? By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. I hope that you will enjoy my blog. What's the difference between a power rail and a signal line? It's like the shell reads the keys correctly but not able to re-render the input line correctly. This seems to happen with arrows and backspace. Deleting ~/.minttyrc helped here (or I was just lucky and that was unrelated..). 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. Is There Any Shortcut for the Backspace Key on the laptop / PC? It is wise to try easy and basic solutions first. Additionally, the release notes say: hese notes are for ncurses 6.1, released January 27, 2018. The reason for this is because many Linux distro's ship with pre-made vimrc files which set some common options. See some explanation here https://unix.stackexchange.com/questions/131105/how-to-read-over-4k-input-without-new-lines-on-a-terminal. The Backspace key isn't something you normally think about too much, but sometimes you might find it doesn't work correctly in the terminal, especially when logged in to a remote machine, echoing "^H" instead of erasing what you've typed. vegan) just to try it, does this inconvenience the caterers and staff? E.g. Okay, yeah, I didn't know of this issue. Github IMHO has quite a bad code viewer. The backspace works on the cmd terminal of VS code though. Have a question about this project? Phil. My backspace did nothing, when it should have sent a destructive delete. 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.. rev2023.3.3.43278. Would you mind sharing your build procedure? In the remote host, run #stty erase ^H. 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. The cursor keys work too since the bash 4.4.0.19-1 and still with 4.4.0.19-2 . How to handle a hobby that makes income in US. This is also the inference to draw when other keys do not work. Reboot your laptop or PC so that Windows can reinstall the keyboard automatically. ), HDMI 2.0 Max Refresh Rate & Resolution (Can You Get 144Hz?). Assuming ncurses 6.1 may break binary compatibility, it would need a rebuild of all packages which use ncurses. Fortunately, this is easy to fix with a simple command. Bulk update symbol size units from mm to map units in rule-based symbology. If there are problems with cygwin, I even tried it from ubuntu terminal, but same problem. The -a flag will give a human-readable output of the control characters. You may have to check the "Hide Obsolete" checkbox for term to appear in the search. Something wrong with shell or termcap library on debian. Just wondering why the backspace key does not work within SQL*Plus? For more information regarding what export TERM=xterm does you can check the following answer. ```. So its not working. I usually use this to fix any funky character output in my terminal. This deletes the but I am getting: > ls foo.c ls: cannot access 'foo.c'$'\303': No such file or directory. /usr/share/terminfo/r/ . Using indicator constraint with two variables. Why do many companies reject expired SSL certificates as bugs in bug bounties? Doug $ TERM=xterm-256color This is why stty isn't fixing things. On Windows 10 (Fall Creators Update) both TERMs don't produce this error (at least for me). Why backspace key is not working? Reinstalling does not work either and i cannot recompile it either because the bootstrapped version also cannot find itself. And what is the difference? There are several different ways to set your backspace key when this happens. He has been using Linux regularly in some form since 2006. Unix & Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un*x-like operating systems. command but not successfully. The best answers are voted up and rise to the top, Not the answer you're looking for? Lets check which terminals the remote host supports. Doesn't work for me, apparently the cache was cleaned at some stage. What terminal are you using? If you have tried all the above-mentioned fixes and nothing works then chances are that its a software-specific issue. Is it possible to create a concave light? Is a PhD visitor considered as a visiting scholar? ether@jolteon MSYS /w To do this: Press Windows logo key + R on your. You have these five options below available to chose from. 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. Super User is a question and answer site for computer enthusiasts and power users. Did any DOS compatibility layers exist for any UNIX-like systems before DOS started to become outmoded? GitHub / (fixed after rebuilding bash): editing keys don't work in CLI in bash with TERM=xterm-256color . I had exactly this. I did nothing special. [1] 2. 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. Trying to delete characters in insert mode with the backspace key sometimes doesn't seem to work. 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 . (7 Things That Will Help You! If you preorder a special airline meal (e.g. 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. I've been trying to research this issue on Google, but did not find anything conclusive. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. EDIT2: My bad the error occurs on Windows 10 as well. Asking for help, clarification, or responding to other answers. The Linux console keyboard layout assigns keysym Delete to keycode 14 and keysym Remove to keycode 111. Following change made it work, Found this at So My rebuilt bash still does this. 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. So I'm stuck having to manually type stty erase [whatever] to fix it when I notice the backspace key is wrong. If you don't have termcap installed install it but . Similar to the Backspace key, you can fix the issue using the stty command if Tab doesn't work in the terminal. Rebuild bash can fix the problem. Share Improve this answer Follow answered Aug 23, 2010 at 6:39 CarpeNoctem 2,407 4 23 32 Add a comment Your Answer [rendering still fine] 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. It only takes a minute to sign up. Crtl C and V worked, Ctrl-Z did not, Z worked. Surly Straggler vs. other types of steel frames. and sometimes it thinks it is ^H, and happens to be incorrect and outputs the wrong character when I press backspace. (Even though this behavior is unsafe ). Fix 4: Reinstall the Keyboard Driver This is the solution to try if the Backspace key of the on-screen keyboard does not function. It might help us identify where the problem lies. Is it known that BQP is not contained within NP? I start my mintty session with xterm-256color, and I can reproduce the backspace problem as stated. Fortunately, you can also fix this with the stty command. 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. Learn more about Stack Overflow the company, and our products. I checked my /var/log/pacman.log which ended with: So, somewhere between 2018-01-15 and 2018-01-30 this regression happened. What if no code at all is sent? 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. Then I set my TERM to xterm-256color which caused the issue to appear; downgrading ncurses to 6.0 fixes the issue. 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. Apparently it was fixed for them after bash was updated, but I don't know it it was just rebuilt or maybe something else. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Clearly this is a regression in or triggered by ncurses 6.1; the changelog mentions some changes to xterm-256color. 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. printf "x\byz\e[D1" does print y1. Here's how you can easily remediate this issue. 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. Thus, you need to replace the keyboard. 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. Most systems will recognize the latter as Backspace these days as physical terminals have largely been replaced by terminal emulators on PCs, but you may still run into systems that haven't been upgraded and still expect "Ctrl + H.", This is one reason you'll see old Unix hands jokingly use "^H" in messages in the same way people use ironic strikethroughs to indicate "Oops, you weren't supposed to see that!" To do so: Now, check whether the key is working or not. Beside "stty" solution, you may try the "TERM" solution. If it is set to "^C" or "^\" it is your problem. I'd highly recommend getting Partition Magic to "sqeeze" your existing Windows partition down in preparation for this process, though. I am seeing this problem, but my shell is bash. If so, how? The backspace seems to work as expected while using Vim from the terminal in most Linux systems however. 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. When I enter TERM=xterm, the problem disappears, even after I set TERM=xterm-256color again. 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. Hope there are no side-effects. I build my application image with the multi-stages build. You should see something like "^ [foo". A lot of older computer terminals used a different control character for Backspace than today, using "Ctrl + H.", Modern terminals use "Ctrl + ?" Also check if the Fn key on the keyboard is not locked. If you have checked your keyboard and it is physically good, have checked and updated the keyboard drivers, and have detected no malware attack, it is time to update Windows 10 / 11 if the Backspace key is still not working. Acidity of alcohols and basicity of amines. With over 10 pre-installed distros to choose from, the worry-free installation life is here! Now, you may have thought that something is wrong with Chrome or some malware has done its wicked job. Most of us are aware of the on-screen keyboard or the virtual keyboard that Windows operating system provides. But the terminal does seem to interpret \b (backspace) and \e[D (move one column left) correctly. > > James Rich _____ This is the Linux 5250 Development Project (LINUX5250) mailing list To post a message email: [EMAIL PROTECTED] To subscribe, unsubscribe, or change list options, visit . What sort of keyboard do you have? This solved the fact that cygwin64 was ignoring backspaces in commands containing line breaks. I've emailed several times over the past year, but it doesn't seem like a priority. To avoid this, use VT100.backarrowKey: false instead, so: (see also https://wiki.archlinux.org/index.php/Xterm#Fix_the_backspace_key). You'll see what code is sent as "erase". 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. 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. I noticed few missing files in msys2 filesystem package like the one that autoregenerates fstab, what was the reason this one was removed ? In the right panel, you will see the Onscreen Keyboard option. Already on GitHub? That should hopefully solve your issue! 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. Why do many companies reject expired SSL certificates as bugs in bug bounties? How could this behavior be fixed so backspace removes character instead of adding these characters? 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. How to Try It in Beta, How AI Search Engines Could Change Websites. And what the value of TERM you have tried? privacy statement. with stty erase ^H or stty erase ^? Not sure why it didn't previously, I guess I accidentally ran it in mingw env while now I did it in msys2 env. Well, in reality, this is not the reason. One of them is to clean the keyboard such that all dust and dirt go away. Continue with Recommended Cookies. This worked for me! @Alexpux any plans to downgrade ncurses soon? or stty erase "^?" depending on which of these you normally see when you hit your backspace. 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. 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. Find centralized, trusted content and collaborate around the technologies you use most. If the issue is only with the Backspace key, you can try and disable the filter or sticky keys. Data Structure & Algorithm Classes (Live) System Design (Live) DevOps(Live) Explore More Live Courses; For Students. Solved: using "tab", "backspace" and "arrow" keys. 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). The update for bash to version 4.4.019-1 fixed the shell history in mintty's terminal mode xterm-256color for me. 78.1k 28 392 615. answered Sep 30, 2015 at 11:52. TERM variable in source I cant reproduce issue on my computer. Up/down/left/right arrows while in less (/usr/bin/less) does seem to work correctly. 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. Asking for help, clarification, or responding to other answers. 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' Did you know that windows 7, 8, and 10 can troubleshoot your keyboard? FWIW, I tried rebuilding bash locally (first time, so hopefully it's OK) and it seems to fix the issue. This is because your default shell is sh, to use bash, just run bash from your shell. A place where magic is studied and practiced? Sign up for a free GitHub account to open an issue and contact its maintainers and the community. not provide terminfo file for that terminal I copied rxvt-unicode-256color Not working means when I tap the backspace it prints a white space in the terminal. How is an ETF fee calculated in a trade that ends in less than a year? Hmm ok scratch that, for some reason one of the updates had deleted the fstab file, after recreating it it worked again. Is it possible to rotate a window 90 degrees if it has the same length and width? Hi, my name is Luke and Im the creator of the TechTreatBox. If it is working, it means that the issue is in the existing keyboard, not in the operating system. Asking for help, clarification, or responding to other answers. Using indicator constraint with two variables, How do you get out of a corner when plotting yourself into a corner, Identify those arcade games from a 1983 Brazilian music video, Trying to understand how to get this basic Fourier Series, Redoing the align environment with a specific formatting. Whether youre using a laptop or a PC computer, its quite annoying to have your key fail to work. The best answers are voted up and rise to the top, Not the answer you're looking for? 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 + ? 6,402, 678 Maybe key mapping. If I set it to ^H or ^? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. $ TERM=xterm I noticed this using gVim in Windows. 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. Thus, it is wise to use a tool such as Windows Defender or Malwarebytes for detecting malware intrusion. 1,710 views. The "foo" part is what bash sees when you press ALT + CyrChar. Arrow keys and backspace not working in bash after recent update, ignore package upgrades for certain packages, https://bugs.archlinux.org/task/57300?project=1&string=ncurses, [MSYS2] Term=xterm-256color does not support backspace and command history correctly, (cosmetic) xterm-256color is unreliable when using MinGW manually, https://forum.voidlinux.eu/t/solved-problems-after-todays-update/4553, ncurses: Fix double-free and prevent crash, Arrow keys broken in msys2 bash programs after installing Terminal, (fixed after rebuilding bash): editing keys don't work in CLI in bash with. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Let know if my zshrc (at the bottom) is incorrect or if there are incompatible plugins or keybinds listed. 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 `ansi`) seems to fix everything, but it's weirder than that: This answer is specific to running is a Docker container and will not help in the OP's environment. 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. Get a virtual cloud desktop with the Linux distro that you want in less than five minutes with Shells! ether@jolteon MSYS /w 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. Is this possible? Well occasionally send you account related emails. If there are any new updates, Windows 10 / 11 will be installing them. Has 90% of ice around Antarctica disappeared in less than a decade? 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. I can confirm the error. Currently I have ASCII DEL. You should upgrade to 17.04 as soon as possible. What sort of strategies would a medieval military use against a fantasy giant? Not working means when I tap the backspace it prints a white space in the terminal. This would be more helpful if it explained a little more and how to change it, but it was the problem I had. Re: del and backspace no longer work. rev2023.3.3.43278. Looks like the remote host does not support tmux-256color, the TERM value sent by tmux. Look for the "erase" character. Logged in to "-bash", not to "bash". [broken rendering] Type CTRL-h instead of using backspace. Did this satellite streak past the Hubble Space Telescope so close that it was out of focus? 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. 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? The difference between the phonemes /p/ and /b/ in Japanese, Recovering from a blunder I made while emailing a professor. If this is the reason, you will have to run your antivirus or antimalware software to get rid of the malware. It should delete the highlighted part of the text. How do I check if a directory exists or not in a Bash shell script? What happens when you type control-V followed by backspace? I was missing the terminfo entries for my terminal. Left and right arrows at the shell prompt don't skip chars as expected, but ctrl-v and then pressing an arrow key does print a correct (I think) string, e.g. Ctrl Z now works. @ray326 Sep 14, 2004 # All the main line Linux distros will install on empty space on a drive that also has other partition types like the Windows partitions. It only takes a minute to sign up. Either the last space will get erased (backspace functioning correctly, delete. vegan) just to try it, does this inconvenience the caterers and staff? So, after ssh to unix host (it doesn't depend debian it or other host) set the TERM variable according to your terminal. I just rebuilt bash from current msys2-packages and installed it and the issue seems gone. (Only after rebuilding bash): bash aborts after setting TERM to some dummy name, e.g. you tell athena what to expect for the backspace key. You should be able to configure what exactly is sent when pressing the Backspace key in your terminal emulator's settings. Thanks @Tom for your link that fixed the issue for me. Click the Options button and enable the Control + Alt + Backspace check box under Key sequence to kill the X server. I agree with all the answers here. Disconnect between goals and daily tasksIs it me, or the industry? How can I explain to my manager that a project he wishes to undertake cannot be performed by the team? for Backspace. David has been able to combine his passion for computing and writing in his career as a freelance writer. 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. It's definitely a problem of tcsh since in any other application the backspace works fine. You can now navigate webpages in Chrome by pressing Alt + left arrow to open a previous page and Alt + right arrow to move forward. Where does this (supposedly) Gibson quote come from? 2) Type devmgmt.msc and press Enter. in my .bashrc file, and use some other terminal to access the server, it often ends up wrong. The linux console emulates a vt220 terminal which has the following key-mapping: The space you're seeing is the space that was supposed to stomp on the previous character. Is there a single-word adjective for "having exceptionally strong moral principles"? The Backspace key is a popular shortcut in Chrome. Now, if you restart your vscode or terminal inside the vscode, TERM will reset to default and the problem will occur again. 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 . To update Windows 10 / 11, you should check for Windows Update in Settings. So perhaps all packages depending on ncurses need re-compile? By clicking Sign up for GitHub, you agree to our terms of service and Never even though to look at my login shell! Where does this (supposedly) Gibson quote come from? (Only after rebuilding bash): bash aborts after setting TERM to some dummy name, e.g. i newer had any problem with it so im curious. backspace in Vim instert mode (see here: https://bugs.gentoo.org/154090). Recovering from a blunder I made while emailing a professor. 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. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Since I installed a newer version I got a problem: The delete as well as the backspace key work both like delete in tcsh's in xterms under X11R6. 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 4. 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.