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Your backspace key may be broken due to a bad mapping which has been loaded into Vim. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. I tried stty erase '^?' Linux is a registered trademark of Linus Torvalds. Continue with Recommended Cookies. If so, how? Backspace versus Delete On a Windows keyboard, the backspace key deletes characters. Console applications read ASCII sequences, not keysyms. Simply run Cygwin setup again and reinstall termcap and terminfo. It is useful when the physical keyboard has stopped working well. Most systems will recognize the latter as Backspace these days as physical terminals have largely been replaced by terminal emulators on PCs, but you may still run into systems that haven't been upgraded and still expect "Ctrl + H.", This is one reason you'll see old Unix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!" vegan) just to try it, does this inconvenience the caterers and staff? Ive seen a few people struggling with using the backspace key in Outlook (Exchange and Outlook.com). The difference between the phonemes /p/ and /b/ in Japanese, Recovering from a blunder I made while emailing a professor. Ubuntu and the circle of friends logo are trade marks of Canonical Limited and are used under licence. 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. How to match a specific column position till the end of line? How to have bash write two bash history files without changing bash source code? 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.. Can Martian regolith be easily melted with microwaves? ether@jolteon MSYS /w I banged the keyboard and about three cigarettes worth of ash fell out. 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 worked for me! Bash, how to globally fix ^H and ^? Okay, yeah, I didn't know of this issue. Something must have gone wrong with the keyboard software or the keyboard has undergone some damage. I do not know if this case matches every one. What if no code at all is sent? Ctrl + C Tags: Backspace Linux sqlplus Unix previous SQL Developer Change Language Why do many companies reject expired SSL certificates as bugs in bug bounties? Windows keyboards also have a Delete key, but this deletes characters in a forward direction. No shell was defined in. Backspace Not Working on VS Code's Bash Terminal, How Intuit democratizes AI development across teams through reusability. (Even though this behavior is unsafe ). I'm seeing it now on my new Cygwin install, though it previously worked. A place where magic is studied and practiced? What can a lawyer do if the client wants him to be acquitted of everything despite serious evidence? Backspace started to work correctly! Cygwin Terminal backspace and arrow keys not working. Say it is ^H. Anyway I found this post, which lead me to the solution for my install. Assuming ncurses 6.1 may break binary compatibility, it would need a rebuild of all packages which use ncurses. However, this does not impact our reviews and comparisons. How do I print colored text to the terminal? It only takes a minute to sign up. Not sure cygwin has good terminal emulation, as far as I know, cygwin just using regular windows console which lacks terminal emulation (may be wrong). Doug I just rebuilt bash from current msys2-packages and installed it and the issue seems gone. 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. i newer had any problem with it so im curious. On Windows 10 (Fall Creators Update) both TERMs don't produce this error (at least for me). If there is a hardware error, the problematic keyboard will work on another PC or laptop. This is also the inference to draw when other keys do not work. 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. 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. Ok, I had this issue with manually updating a Cygwin install. 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. and sometimes it thinks it is ^H, and happens to be incorrect and outputs the wrong character when I press backspace. Im a developer, a dad, and a big tech enthusiast. For example on my Arch Linux system I have /usr/share/vim/vimfiles . Thank you for the information. The best answers are voted up and rise to the top, Not the answer you're looking for? http://lifepluslinux.blogspot.in/2014/08/backspace-doesnt-work-in-vim-on-cygwin.html, This will add it to the .bash_profile (not .bashrc, which didn't work for me, and with a leading line break), After spending 2 days of time reading stuff online. 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. 0. 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. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. 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. Let know if my zshrc (at the bottom) is incorrect or if there are incompatible plugins or keybinds listed. 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. It resets all the special characters to their default values. How can this new ban on drag possibly be considered constitutional? Similarly, try using the same problematic keyboard with another laptop or PC. I solved the problem by using ash.exe and run pacman -Syu bash in it. To learn more, see our tips on writing great answers. You can check what control characters the system uses with the stty command. Normally you figure out which key code the shell sees and assign this to your desired "widget". E.g. However, after an update, you may have noticed that the shortcut does not work anymore. This solved the fact that cygwin64 was ignoring backspaces in commands containing line breaks. Hmm ok scratch that, for some reason one of the updates had deleted the fstab file, after recreating it it worked again. Solved: using "tab", "backspace" and "arrow" keys. with stty erase ^H or stty erase ^? Github IMHO has quite a bad code viewer. What sort of keyboard do you have? So its not working. This simple comment is certainly the best solution I have seen to this. I encountered a similar issue, that when ssh to a remote machine from tmux, my Backspace key starts to generate spaces instead. Check for the updates or try to quit and reset your Excel. Some more background to my problem/solution: I had a problem where I need to paste more than 4k characters. Is there a proper earth ground point in this switch box? This is the solution to try if the Backspace key of the on-screen keyboard does not function. Go to Start , then select Settings > Ease of Access > Keyboard, and turn on the toggle under Use the On-Screen Keyboard. I had a custom installed ncurses, that I removed. You may have to edit several configuration files to tell all of the programs involved precisely what you want. Did you know that windows 7, 8, and 10 can troubleshoot your keyboard? Switch to the Compatibility tab and you should get these options: Now you can change the Backspace key generates: setting. To fix this, you may need to uninstall the keyboard driver that is experiencing backspace not working problem and then reinstall the driver. Making statements based on opinion; back them up with references or personal experience. The backspace works on the cmd terminal of VS code though. If it says "^H," then it uses the older Backspace character. Share Improve this answer Follow answered Aug 23, 2010 at 6:39 CarpeNoctem 2,407 4 23 32 Add a comment Your Answer I agree with all the answers here. Just log in to the machine and type "stty erase " (note the space after "erase") and then hit the backspace key. Most of us are aware of the on-screen keyboard or the virtual keyboard that Windows operating system provides. Connect and share knowledge within a single location that is structured and easy to search. 5 comments. Surly Straggler vs. other types of steel frames. The reason why Google did so was several complaints of losing data unintentionally as a result of pressing Backspace while not typing. It worked. ether@jolteon MSYS /w To enquire how your keys are mapped: stty -a Look at the "erase =" subsection. Instead of saying "Keep" for each, click it to make it say "Reinstall". 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. Share. You'll see what code is sent as "erase". Take the backspace for example, the remote host expects some character to be used as "erase/backspace" , while you pressing backspace in the terminal , the terminal program will send some character to the remote host, if what the remote host expects diffs with the characters sent by the terminal program, you would encounter this issue. The backspace doesn't work in the bash terminal of VS code. 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 To change the key mapping of the backspace key to normal: stty erase "^H" Login or Register to Ask a Question Previous Thread | Next Thread I am using tmux to force the error since it uses an relatively uncommon terminal config. And during that research, I was led to the above link. In my real situation I have input from program, which doesn't call read. How to setup a background ssh tunnel which could automatically quit with terminal/session? The backspace seems to work as expected while using Vim from the terminal in most Linux systems however. 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. I have no opportunity to change the program script, this was just an example which represented my issue. Beside "stty" solution, you may try the "TERM" solution. The reason for this is because many Linux distro's ship with pre-made vimrc files which set some common options. Hello, I have the same problem. host was set to rxvt-unicode-256color. Recovering from a blunder I made while emailing a professor. Switch to the Compatibility tab and you should get these options: Now you can change the Backspace key generates: setting. Something wrong with shell or termcap library on debian. We try our best to keep things fair and balanced, in order to help you make the best choice for you. What is the correct way to screw wall and ceiling drywalls? 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] Can you help me to understand this explanation of shell quoting? to my .bashrc but this only fixed the issue 80% of the time. He has been using Linux regularly in some form since 2006. You should be able to configure what exactly is sent when pressing the Backspace key in your terminal emulator's settings. I tried the following with and without a ~/.bashrc file: Pressing few chars and then a backspace seems to print a space. After it's enabled, you can press Ctrl+Alt+Backspace to immediately restart your X server. Login from Ubuntu and give me output of commands: 1. echo $TERM 2. stty -a, While this didn't directly help me, since TERM was correctly set, it did help identify the problem. http://linux-journal.blogspot.com/2005/04/fix-vim-backspace-doesnt-work.html, http://lifepluslinux.blogspot.in/2014/08/backspace-doesnt-work-in-vim-on-cygwin.html, How Intuit democratizes AI development across teams through reusability. This seems to happen with arrows and backspace. Well occasionally send you account related emails. Reinstalling terminfo (I couldn't find termcap) worked for me. Why is this sentence from The Great Gatsby grammatical? So 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. In my case, I had to switch from xterm-256color to xterm-88color and it is far better than other options. Making statements based on opinion; back them up with references or personal experience. How do I get to know the value of TERM? Just happened for me as well. First, enter CTRL + V ALT + CyrChar in your shell. (Note: use Ctrl v + Backspace, do not type the ^ manually) You can fix the Tab issue with the same as above. When pressing the backspace key Cygwin falsly interpreted it as a space. An example of data being processed may be a unique identifier stored in a cookie. (Yes! And what is the difference? 1518273 Jan 19 2014 edited Jan 19 2014. Use This Guide), Cursor Disappears in Chrome? Whether youre using a laptop or a PC computer, its quite annoying to have your key fail to work. If I set it to ^H or ^? You'll see what code is sent as "erase". Trying to delete characters in insert mode with the backspace key sometimes doesn't seem to work. How to handle a hobby that makes income in US. You signed in with another tab or window. It works in other packages though so id say this is something that needs to be looked at upstream by the ncurses devs. It's definitely a problem of tcsh since in any other application the backspace works fine. David has been able to combine his passion for computing and writing in his career as a freelance writer. Best Terminal for cygwin. For Working Professionals. Is There Any Shortcut for the Backspace Key on the laptop / PC? But there is a far simpler way found here: Browse other questions tagged. ctrl-v and then right arrow prints ^[[C but the shell doesn't seem to re-render the line correctly when used without it. How to Connect Two Monitors To One Computer With One VGA Port? ether@jolteon MSYS /w For more information regarding what export TERM=xterm does you can check the following answer. |TERM=blahblah| . Did this satellite streak past the Hubble Space Telescope so close that it was out of focus? By clicking Sign up for GitHub, you agree to our terms of service and You can fix the Tab issue with the same as above. The backspace doesn't work in the bash terminal of VS code. If you preorder a special airline meal (e.g. In the right panel, you will see the Onscreen Keyboard option. Added on Nov 4 2000. So, if this does not work, it is worth trying out other below solutions. 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. I searched for issues with backspace key and i tried checking and unchecking iterm's "delete key sends ^H" option but it did not change backspace behavior. E.g. How to concatenate string variables in Bash, Git is not working after macOS Update (xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools). 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. My code is GPL licensed, can I issue a license to have my code be distributed in a specific MIT licensed project? Please help. Rebuild bash can fix the problem. This malfunctioning means the issue lies in the keyboard driver. Never experienced your problem. Re: del and backspace no longer work. Now that you've sorted out the Backspace key issue in the Linux terminal, you can really get to work. What video game is Charlie playing in Poker Face S01E07? On the other hand, I also have another account on the same machine & when I ssh through this account, its terminal works perfectly fine. Is it possible to rotate a window 90 degrees if it has the same length and width? You need remove -D_FORTIFY_SOURCE=2 from CPPFLAGS in makepkg.conf file. Logged in to "-bash", not to "bash". Then click Uninstall device. @elieux there are conflicts in cygwin headers, I do have the described issues as well. or stty erase "^?" depending on which of these you normally see when you hit your backspace. Following are the steps for disabling these keys on Windows 10/11: Heres a video that will guide you step-by-step: This is another easy solution to try and find where the problem lies. .bashrc edit messes up terminal command arrow-up history print, Keyboard lockup when typing and random characters, gnome-terminal hides ending characters of the current path's first row, How to delete a tracker tag containing special characters. 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. 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. It does support xterm-256color which we know our terminal app supports. If you have tried all the above-mentioned fixes and nothing works then chances are that its a software-specific issue. (Only after rebuilding bash): bash aborts after setting TERM to some dummy name, e.g. I tried ssh from cygwin (in windows) to Debian. I did nothing special. The backspace works on the cmd terminal of VS code though. This was the reason in my case.. for that particular user. They are easy to follow and have both basic and advanced measures. Isn't there a better fix for struct FILE? Additionally, the release notes say: hese notes are for ncurses 6.1, released January 27, 2018. 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. rev2023.3.3.43278. 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). In my case backspace was not at all working after creating blank ~/.vimrc. And what's the output of the. 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 ^? To do this: Press Windows logo key + R on your. (NOT fixed after rebuilding bash): bash aborts after setting TERM to some dummy name, e.g. 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. you tell athena what to expect for 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. Look in the archives - it has come up before. So guess it might need some patches to get around this. You should see something like "^ [foo". What I don't understand though is why my shell handles backspace as expected, but reading from stdin in my app does not. vegan) just to try it, does this inconvenience the caterers and staff? :(. 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. You can set this in your shell. Has 90% of ice around Antarctica disappeared in less than a decade? 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. Fix 4: Reinstall the Keyboard Driver This is the solution to try if the Backspace key of the on-screen keyboard does not function. Connect and share knowledge within a single location that is structured and easy to search. How do you ensure that a red herring doesn't violate Chekhov's gun? So I'm stuck having to manually type stty erase [whatever] to fix it when I notice the backspace key is wrong. rev2023.3.3.43278. 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. Replacing broken pins/legs on a DIP IC package. Simply, plug in another functional keyboard to your existing laptop or PC and see whether its Backspace key is working or not. I tried googling but didn't find what I was looking for! Once I copied the "cygwin" file to this location, the bash shell backspace key worked fine, as did tab and others. In the terminal, type Ctrl v and press your backspace. Are there tables of wastage rates for different fruit and veg? 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. 4. It might help us identify where the problem lies. Reboot your laptop or PC so that Windows can reinstall the keyboard automatically. The latter is possible when you use the virtual keyboards Backspace key. [rendering fine] Thanks for pointing out the shortcomings of my previous answer. ```. 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. Staging Ground Beta 1 Recap, and Reviewers needed for Beta 2. You may notice this problem when you log in to remote machines over SSH, ones that run non-Linux Unix operating systems, particularly proprietary systems like Oracle's Solaris. If you preorder a special airline meal (e.g. Is it suspicious or odd to stand by the gate of a GA airport watching the planes? I reinstalled MSYS2 from scratch and updated all packages, no issue so far. Thanks for contributing an answer to Ask Ubuntu! What happens when you type control-V followed by backspace? 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.. How to Try It in Beta, How AI Search Engines Could Change Websites. Fortunately, this is easy to fix with a simple command. Added on Jan 19 2014. Note that Docker is not mentioned by the user. $ TERM=xterm-256color My backspace key and zsh vi-mode are broken on command line when i use tmux. A lot of older computer terminals used a different control character for Backspace than today, using "Ctrl + H.", Modern terminals use "Ctrl + ?" Look around putty's options menu for a "send hard reset" option as well. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy.