bash backspace not working

How to Try It in Beta, How AI Search Engines Could Change Websites. > > 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 terminal are you using? How to Process a File Line by Line in a Linux Bash Script Is it known that BQP is not contained within NP? I posted previously on SQLPLUS having a really unfriendly user interface, but with this problem makes it even worse. The difference between the phonemes /p/ and /b/ in Japanese, Recovering from a blunder I made while emailing a professor. 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. terminfo file from source host to remote host directory: What sort of keyboard do you have? How to concatenate string variables in Bash, Git is not working after macOS Update (xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools). Ive heard many people complaining about the backspace key not working properly on Discord and this is the Discord glitch. 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. Can Martian regolith be easily melted with microwaves? 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. Check for the updates or try to quit and reset your Excel. You should be able to configure what exactly is sent when pressing the Backspace key in your terminal emulator's settings. 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. Clearly this is a regression in or triggered by ncurses 6.1; the changelog mentions some changes to xterm-256color. 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. bash terminal: can the find and make duplicate text be extended globally--Apple? What is the correct way to screw wall and ceiling drywalls? oracle - How to erase in sqlplus with backspace? - Database (I had the problem specifically when doing su -i). This was the reason in my case.. for that particular user. 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. I'm seeing the same issue with a fresh Cygwin install. The "foo" part is what bash sees when you press ALT + CyrChar. This is a big hope to restore the keys functionality to Chrome and other applications. I think your TERM was set to something incompatible. Theoretically Correct vs Practical Notation. Deleting ~/.minttyrc helped here (or I was just lucky and that was unrelated..). 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. What sort of strategies would a medieval military use against a fantasy giant? With over 10 pre-installed distros to choose from, the worry-free installation life is here! It should delete the highlighted part of the text. What am I doing wrong here in the PlotLegends specification? Spacebar, Enter, or Backspace Not Working Method 1: Turn off Sticky Keys and Filter Keys In Windows 10, there are two functions - Sticky Keys and Filter Keys. I encountered this problem when I tried to add bash and use it in a distroless image. David holds a B.A. Is a PhD visitor considered as a visiting scholar? Why do many companies reject expired SSL certificates as bugs in bug bounties? How to setup a background ssh tunnel which could automatically quit with terminal/session? It only takes a minute to sign up. Is it with the keyboard or with the laptop? If you have tried all the above-mentioned fixes and nothing works then chances are that its a software-specific issue. If you preorder a special airline meal (e.g. I do not know if this case matches every one. 32 related questions found. Note that, @roaima @Kusalananda Thanks for pointing it out that OP didn't mention. Ctrl Z now works. [still broken rendering] It's available through the Cygwin installer. US, UK etc. Not working means when I tap the backspace it prints a white space in the terminal. 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. 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. 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. Apparently it was fixed for them after bash was updated, but I don't know it it was just rebuilt or maybe something else. 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. Connect and share knowledge within a single location that is structured and easy to search. This is the solution to try if the Backspace key of the on-screen keyboard does not function. 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. 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. 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. 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. Calculating probabilities from d6 dice pool (Degenesis rules for botches and triggers). When you set the TERM type you are telling the host which TERMCAP to use to draw within the terminal window. 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 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. How could this behavior be fixed so backspace removes character instead of adding these characters? That link lacks info, but void linux appears to have had a similar issue: https://forum.voidlinux.eu/t/solved-problems-after-todays-update/4553 . The linux console emulates a vt220 terminal which has the following key-mapping: 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. Backspace Not Working? (8 Fixes That Will Solve It In 2022!) Why do academics stay as adjuncts for years rather than move around? I have no opportunity to change the program script, this was just an example which represented my issue. ether@jolteon MSYS /w I checked my /var/log/pacman.log which ended with: So, somewhere between 2018-01-15 and 2018-01-30 this regression happened. Basically, each time you hit backspace your cursor is moved to the beginning of the text field. It only takes a minute to sign up. 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 Following change made it work, Found this at How to insert bash scripts inside the PS1 variable. Look for the "erase" character. This is why stty isn't fixing things. 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. It is wise to try easy and basic solutions first. 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? 0. This solution is likely to work for most users. 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!" Rather than dig through all of that you can manually set the backspace definition at the CLI or in your .profile, .bashrc, or .bash-profile file in your $HOME directory as you desire or based on the flavor of *NIX you are using. If it says "^H," then it uses the older Backspace 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). Just happened for me as well. Since backspace works at the command line, you will can set it using the following: At command line, type: CTRL-V and the backspace character. Copyright 2020-2023 Techtreatbox.com | All rights reserved. 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. 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. It worked. Learn more about Stack Overflow the company, and our products. Backspace and arrow keys not working in (how to fix)vi/vim editor in ubuntu 14.04 /linux mint. It is useful when the physical keyboard has stopped working well. 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. Some more background to my problem/solution: I had a problem where I need to paste more than 4k characters. and sometimes it thinks it is ^H, and happens to be incorrect and outputs the wrong character when I press backspace. Why backspace key is not working? This one fixed it for me. Additionally, the release notes say: hese notes are for ncurses 6.1, released January 27, 2018. You should see something like: 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 Also Tab & del keys don't work too. .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. 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 have tried all 5 options but none of them fixed the issue. Does it do anything? That should hopefully solve your issue! In the terminal, type Ctrl v and press your backspace. Can Martian regolith be easily melted with microwaves? Backspace, Spacebar, Enter Key Not Working? Fix It Easily! - MiniTool command but not successfully. To get rid of the corrupted keyboard driver, simply uninstall the keyboard. Recovering from a blunder I made while emailing a professor. Laptop keyboard backspace not working properly (Even though this behavior is unsafe ). It feels like a kludge but it works. 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. The latter is possible when you use the virtual keyboards Backspace key. 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. How do I get the directory where a Bash script is located from within the script itself? Fortunately, this is easy to fix with a simple command. Why is there a voltage on my HDMI and coaxial cables? Solved: Hi I am connecting my HP-UX thru Telnet using putty. Trying to delete characters in insert mode with the backspace key sometimes doesn't seem to work. rev2023.3.3.43278. Login from Ubuntu and give me output of commands: 1. echo $TERM 2. stty -a, While this didn't directly help me, since TERM was correctly set, it did help identify the problem. This simple comment is certainly the best solution I have seen to this. @whtyger this worked for this script. I noticed few missing files in msys2 filesystem package like the one that autoregenerates fstab, what was the reason this one was removed ? Maybe the ncurses update is at fault? What I am doing then is to type <up> to get that command line from the history and edit it, i.e. One correction to the information, is of their suggestion (for XTerm): While this will get XTerm to send the right character, and change stty to have backspace as ^?, it will still erroniously report ^H as backspace under some occasions, breaking i.e. Best Terminal for cygwin. 4 Ways to Recover From a Crashed or Frozen X Server on Linux FWIW, I tried rebuilding bash locally (first time, so hopefully it's OK) and it seems to fix the issue. On Windows 10 (Fall Creators Update) both TERMs don't produce this error (at least for me). The backspace seems to work as expected while using Vim from the terminal in most Linux systems however. This deletes the but I am getting: > ls foo.c ls: cannot access 'foo.c'$'\303': No such file or directory. @Rachel Thanks, though I found out that my problem was that the Cygwin install missed some important files (like /usr/lib/terminfo). To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Connect and share knowledge within a single location that is structured and easy to search. Learn more about Stack Overflow the company, and our products. 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 ^? Ubuntu and the circle of friends logo are trade marks of Canonical Limited and are used under licence. Most application will expect that you already have the emulator set to something compatible such as xterm or linux. If so, how close was it? 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. 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. 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. It only takes a minute to sign up. Once you press [ENTER] you should be able to press your [BACKSPACE] key and have it backspace/delete whatever you typed. I encountered a similar issue, that when ssh to a remote machine from tmux, my Backspace key starts to generate spaces instead. The corrupted association between windows 10 and your physical keyboard is the reason why your Backspace key has stopped working. ether@jolteon MSYS /w vegan) just to try it, does this inconvenience the caterers and staff? 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 do this, press Fn+Esc keys to lock and unlock the funtions touchs. 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. to my .bashrc but this only fixed the issue 80% of the time. It's worth noting that you aren't getting "a space": It's failing to move the cursor back to erase the character. How do I check if a directory exists or not in a Bash shell script? Hope there are no side-effects. It's almost like the CMD shell that Cygwin is bound to is failing to interpret cursor movement. Similarly, try using the same problematic keyboard with another laptop or PC. How Much Storage Should a Gaming PC Have in 2022? I can confirm the error. 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. bash uses wrong character length for multi-byte characters |TERM=blahblah| . You have these five options below available to chose from. Minimising the environmental effects of my dyson brain. Not the answer you're looking for? GitHub / (fixed after rebuilding bash): editing keys don't work in CLI in bash with TERM=xterm-256color . Now that you've sorted out the Backspace key issue in the Linux terminal, you can really get to work. I solved the problem by using ash.exe and run pacman -Syu bash in it. 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. When Backspace Key is Not Working in Console - Ed Chen Logic Are there tables of wastage rates for different fruit and veg? 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. In my case backspace was not at all working after creating blank ~/.vimrc. (Only after rebuilding bash): bash aborts after setting TERM to some dummy name, e.g. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. The simplest fix by far. The space you're seeing is the space that was supposed to stomp on the previous character. Backspace Not Working on VS Code's Bash Terminal, How Intuit democratizes AI development across teams through reusability. 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. Manage Settings Simply run Cygwin setup again and reinstall termcap and terminfo. Added on Jan 19 2014. ncdu: What's going on with this second size column? xterm-256color Can Martian regolith be easily melted with microwaves? That will give you backspace capabilities in everything but emacs. Use This Guide), Cursor Disappears in Chrome? Why does backspace not work within SQL*Plus? - Oracle Forums The update for bash to version 4.4.019-1 fixed the shell history in mintty's terminal mode xterm-256color for me. 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. I'm guessing this is happening in the shell. 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. ``` In case it helps. PDF Linux Backspace/Delete mini-HOWTO - mirror.facebook.net Go to Start , then select Settings > Ease of Access > Keyboard, and turn on the toggle under Use the On-Screen Keyboard. Styling contours by colour and by line thickness in QGIS. 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. 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. What video game is Charlie playing in Poker Face S01E07? Why do many companies reject expired SSL certificates as bugs in bug bounties? What is the point of Thrower's Bandolier? On a Macbook, this key is known as the Delete key. Problem with finding FILE strict is solved yesterday. I added in braces how they behave on my system: I had the same problem, using bash in Gnome-Terminal. Works for me on a bash integrated terminal in vscode. 9 Ways To Unlock Mac Keyboard (2022 Update), Right-click your keyboard driver or software and select. Making statements based on opinion; back them up with references or personal experience. The Linux keyboard and console HOWTO: Delete and Backspace Thanks for contributing an answer to Ask Ubuntu! Reinstalling does not work either and i cannot recompile it either because the bootstrapped version also cannot find itself. not provide terminfo file for that terminal I copied rxvt-unicode-256color 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. Luckily, the problem is rather easy to fix. Say it is ^H. You can use set -o gmacs or set -o emacs if you want it to act like emacs, that means like bash default (you can also write set -o vi in bash so that it acts like the vi editor : ( Furthermore, with this mode, backspace is control-H 3) You can write export VISUAL=gmacs (or emacs) in your .profile and dot it again or reconnect. http://linux-journal.blogspot.com/2005/04/fix-vim-backspace-doesnt-work.html, Worked for me: In the Windows command prompt, type. Can you give more details of how you installed and invoked Cygwin, and where exactly the backspace key fails to work? Would you mind sharing your build procedure? (Only after rebuilding bash): bash aborts after setting TERM to some dummy name, e.g. 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. 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. Browse other questions tagged. Hope this helps someone. Just to chime in the new ssp changes break building ncurses, undefined references to FILE in ssp/stdio.h and ssp/whar.h. The virtual keyboard works as the physical one and is likely to aid you in finding out why is the backspace not working on Windows 10. When you make a purchase using links on our site, we may earn an affiliate commission. You can even remove the Backspace key to know whether it is damp or covered with dust and clean it completely. Doesn't work for me, apparently the cache was cleaned at some stage. This also resolved a similar issue I was having with the cursor keys. Switch to the Compatibility tab and you should get these options: Now you can change the Backspace key generates: setting. I got linux on my PC and prefer the tcsh shell. Bash, how to globally fix ^H and ^? Ctrlv + backspace produces nothing For me, the backspace code is the same as. Also check if the Fn key on the keyboard is not locked. 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. Thanks. Isn't there a better fix for struct FILE? 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. So, I'm new to VS code just installed it and I'm having an issue. I start my mintty session with xterm-256color, and I can reproduce the backspace problem as stated. Cygwin Terminal backspace and arrow keys not working. To update Windows 10 / 11, you should check for Windows Update in Settings. How to make the prompt beep with every key press/character printed? So a quick fix is as below: You can fix the Tab issue with the same as above. @SomeCallMeTim: I was able to fix this issue by using Minty, cygwin behaves in very wierd manner at times. 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 + ? Bash shell: how to reconcile portable configuration files and GUI terminal start-up types (login or interactive)?