bash backspace not working bash backspace not working

(Solved! I run: And I found that doesn't work. The space you're seeing is the space that was supposed to stomp on the previous character. 9 Ways To Unlock Mac Keyboard (2022 Update), Right-click your keyboard driver or software and select. Doing your suggested change results in backspace working for both. Fix 4: Reinstall the Keyboard Driver This is the solution to try if the Backspace key of the on-screen keyboard does not function. Backspace and arrow keys not working in (how to fix)vi/vim editor in ubuntu 14.04 /linux mint. Is it known that BQP is not contained within NP? I noticed few missing files in msys2 filesystem package like the one that autoregenerates fstab, what was the reason this one was removed ? Manage Settings Confirm it fixes the crash for me, thanks. Never even though to look at my login shell! Are there tables of wastage rates for different fruit and veg? Its much worse if it happens to other keys on your keyboard as well. Making statements based on opinion; back them up with references or personal experience. US, UK etc. with stty erase ^H or stty erase ^? Best Terminal for cygwin. Data Structure & Algorithm Classes (Live) System Design (Live) DevOps(Live) Explore More Live Courses; For Students. I tried checking the Backarrow sends ^H and Delete sends DEL settings in "broken" mode, but it did not seem to help, instead doing nothing when pressing those characters, if I recall correctly. Then use bind '"\efoo":kill-word' to bind that to the kill-word command. 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 + ? Backspace Not Working on VS Code's Bash Terminal, How Intuit democratizes AI development across teams through reusability. This worked for me! I had a custom installed ncurses, that I removed. 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. Instead of saying "Keep" for each, click it to make it say "Reinstall". Now, on it, just press the Backspace key using your mouse. EDIT2: My bad the error occurs on Windows 10 as well. in communication from California State University, East Bay. 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. Just wondering why the backspace key does not work within SQL*Plus? And during that research, I was led to the above link. :(. Try to install the Terminal Emulator Mintty (http://code.google.com/p/mintty/). This is because your default shell is sh, to use bash, just run bash from your shell. 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. So a quick fix is as below: You can fix the Tab issue with the same as above. This solution is likely to work for most users. The PR linked just above should work around the crash, I hope. rev2023.3.3.43278. Connect and share knowledge within a single location that is structured and easy to search. Something tells me we should hold off on this version untill it becomes more stable. Can you help me to understand this explanation of shell quoting? Does it do anything? Instead need to find why it happen. After connecting from Fedora to an OpenWrt host with ssh the remote bash Why do many companies reject expired SSL certificates as bugs in bug bounties? When I ssh into another machine with Debian with my account(with sudo permissions), my backspace key generates some awkward symbols on pressing. Note that Docker is not mentioned by the user. to `ansi`) seems to fix everything, but it's weirder than that: 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. On a Macbook, this key is known as the Delete key. What can a lawyer do if the client wants him to be acquitted of everything despite serious evidence? From ubuntu all should works just fine. @Alexpux, what's wrong with _FORTIFY_SOURCE=2? In the remote host, run #stty erase ^H. Backspace, Tab not working in terminal (using ssh), cyberciti.biz/faq/howto-set-bash-as-your-default-shell, I followed the advice in this old reddit post, How Intuit democratizes AI development across teams through reusability. This is why stty isn't fixing things. when you hit the "backspace" key. In the terminal, press Ctrl + v and press your backspace. Continue with Recommended Cookies. Can Martian regolith be easily melted with microwaves? Why is there a voltage on my HDMI and coaxial cables? An example of data being processed may be a unique identifier stored in a cookie. 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. If you're using the terminal to log in to remote systems, you can be even more productive with the combination of tmux and Mosh, letting you create sessions that can keep you connected forever. If 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. Minimising the environmental effects of my dyson brain. Thus, it is wise to use a tool such as Windows Defender or Malwarebytes for detecting malware intrusion. Ok thats a bit simpler, but wont it affect other sources to remove the hardening ? I tried googling but didn't find what I was looking for! There are also some distros that will run in . Just happened for me as well. 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. Uh oh new msys2-runtime breaks windows cmake, it cannot find itself after update. Related Posts. 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. Windows keyboards also have a Delete key, but this deletes characters in a forward direction. Let know if my zshrc (at the bottom) is incorrect or if there are incompatible plugins or keybinds listed. So To subscribe to this RSS feed, copy and paste this URL into your RSS reader. http://linux-journal.blogspot.com/2005/04/fix-vim-backspace-doesnt-work.html, Worked for me: In the Windows command prompt, type. $ TERM=xterm I encountered a similar issue, that when ssh to a remote machine from tmux, my Backspace key starts to generate spaces instead. Use This Guide), Cursor Disappears in Chrome? Asking for help, clarification, or responding to other answers. Now that you've sorted out the Backspace key issue in the Linux terminal, you can really get to work. It works in other packages though so id say this is something that needs to be looked at upstream by the ncurses devs. This may seem strange, but the Linux console emulates a VT100 terminal, and this is the way things work in that realm. To do this, press Fn+Esc keys to lock and unlock the funtions touchs. To open the virtual keyboard, go to Ease of Access keyboard settings and click Keyboard in the left panel. Ubuntu and the circle of friends logo are trade marks of Canonical Limited and are used under licence. 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. Reboot your computer and see if the problem is fixed or not. What I don't understand though is why my shell handles backspace as expected, but reading from stdin in my app does not. It should delete the highlighted part of the text. Our journey has still to come to an end. 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 ). To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Can Martian regolith be easily melted with microwaves? 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. If this is the reason, you will have to run your antivirus or antimalware software to get rid of the malware. Has 90% of ice around Antarctica disappeared in less than a decade? (Only after rebuilding bash): bash aborts after setting TERM to some dummy name, e.g. 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. 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.. Type CTRL-h instead of using backspace. Is there a proper earth ground point in this switch box? 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. When I enter TERM=xterm, the problem disappears, even after I set TERM=xterm-256color again. It worked. Looks like the remote host does not support tmux-256color, the TERM value sent by tmux. Once you press [ENTER] you should be able to press your [BACKSPACE] key and have it backspace/delete whatever you typed. However, after an update, you may have noticed that the shortcut does not work anymore. 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. This answer is specific to running is a Docker container and will not help in the OP's environment. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. The backspace seems to work as expected while using Vim from the terminal in most Linux systems however. Backspace versus Delete On a Windows keyboard, the backspace key deletes characters. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. To do this, put. When you set the TERM type you are telling the host which TERMCAP to use to draw within the terminal window. Turning off the filter keys will discard the risk of all probable interruptions to the keyboards overall functionality, which may fix the Backspace issue. 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. (2022 Edition), Can You Use Zoom on Firestick? I did nothing special. What is the point of Thrower's Bandolier? 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. So guess it might need some patches to get around this. The consent submitted will only be used for data processing originating from this website. I think your TERM was set to something incompatible. Similar to the Backspace key, you can fix the issue using the stty command if Tab doesn't work in the terminal. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. What happens when you type control-V followed by backspace? I start my mintty session with xterm-256color, and I can reproduce the backspace problem as stated. If you don't have termcap installed install it but . Weve got you covered, so lets go through 8 ways to fix the problem: When it comes to fixing the Backspace key, there are a few solutions to execute. Ctrl Z now works. A place where magic is studied and practiced? In my case backspace was not at all working after creating blank ~/.vimrc. Reboot your laptop or PC so that Windows can reinstall the keyboard automatically. 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.. Print some odd charachters? Some of our partners may process your data as a part of their legitimate business interest without asking for consent. 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.. host was set to rxvt-unicode-256color. 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. My understanding is that the shell handles stdin buffering, so shouldn't the backspace-handling be the same for both the shell and an app? If there is a hardware error, the problematic keyboard will work on another PC or laptop. (ii) Because Linus decided so. If so, how close was it? 2. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. same as cread -ignbrk brkint -inlcr -igncr icrnl -iutf8 -ixoff -iuclc -ixany imaxbel opost -olcuc -ocrnl onlcr -onocr -onlret -ofill -ofdel nl0 cr0 tab0 bs0 vt0 ff0 isig icanon iexten echo echoe echok -echonl -noflsh -xcase -tostop -echoprt echoctl echoke, all special characters to their default values, Your shell may be set to /bin/sh instead of /bin/bash, on top of paul's answer, if you want to retain the ability to have colorful output, you can use xterm-88color. Normally you figure out which key code the shell sees and assign this to your desired "widget". How to insert bash scripts inside the PS1 variable. 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. You have these five options below available to chose from. and sometimes it thinks it is ^H, and happens to be incorrect and outputs the wrong character when I press backspace. What is a word for the arcane equivalent of a monastery? (Even though this behavior is unsafe ). 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. I'd highly recommend getting Partition Magic to "sqeeze" your existing Windows partition down in preparation for this process, though. Super User is a question and answer site for computer enthusiasts and power users. You should be able to configure what exactly is sent when pressing the Backspace key in your terminal emulator's settings. Similarly, try using the same problematic keyboard with another laptop or PC. This deletes the but I am getting: > ls foo.c ls: cannot access 'foo.c'$'\303': No such file or directory. Connect and share knowledge within a single location that is structured and easy to search. Does a summoned creature play immediately after being summoned by a ready action? 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. 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. There is discussion here and here but it probably only gets resolved if lots of people email github support. If it doesn't say "^H" this may be your problem. 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. 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. 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. Once you press [ENTER] you should be able to press your [BACKSPACE] key and have it backspace/delete whatever you typed. 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. vegan) just to try it, does this inconvenience the caterers and staff? Crtl C and V worked, Ctrl-Z did not, Z worked. The "foo" part is what bash sees when you press ALT + CyrChar. I do not know if this case matches every one. However, this does not impact our reviews and comparisons. To learn more, see our tips on writing great answers. If you preorder a special airline meal (e.g. This also resolved a similar issue I was having with the cursor keys. First, enter CTRL + V ALT + CyrChar in your shell. Theres one solution to that, you can install the Shortcut chrome extension and override the default browsers settings or get used to the new keys combination introduced by Chrome: Now, in Chrome, you need to use the backspace key alternative, meaning a new set of keys to navigate. It is useful when the physical keyboard has stopped working well. 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. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Thanks! To learn more, see our tips on writing great answers. How to check if a string contains a substring in Bash. Unix & Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un*x-like operating systems. If you preorder a special airline meal (e.g. 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. By clicking Sign up for GitHub, you agree to our terms of service and If there are problems with cygwin, I even tried it from ubuntu terminal, but same problem. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. ether@jolteon MSYS /w I couldn't figure out why is this happening. FWIW, I tried rebuilding bash locally (first time, so hopefully it's OK) and it seems to fix the issue. I build my application image with the multi-stages build. TERM=blahblah. Ive heard many people complaining about the backspace key not working properly on Discord and this is the Discord glitch. What I'd like to do is bind both ^? However, this shortcut is implemented by the X server and may not work if X hangs in some ways. Say it is ^H. Lets check which terminals the remote host supports. My backspace key and zsh vi-mode are broken on command line when i use tmux. That should hopefully solve your issue! I banged the keyboard and about three cigarettes worth of ash fell out. Asking for help, clarification, or responding to other answers. You signed in with another tab or window. It only takes a minute to sign up. It's because the default mintty TERM is xterm, and the issue appears to be related to TERM being xterm-256color - which is required for some programs to display more than 8 colors. Recovering from a blunder I made while emailing a professor. Well, in reality, this is not the reason. Why do small African island nations perform better than African continental nations, considering democracy and human development? I just installed Cygwin and the BACKSPACE functionality is not there, i.e. After it's enabled, you can press Ctrl+Alt+Backspace to immediately restart your X server. xterm-256color `Why doesn't the Backspace key generate BackSpace by default?' (i) Because the VT100 had a Delete key above the Enter key. I tried stty erase '^?' What is the correct way to screw wall and ceiling drywalls? 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. This is the solution to try if the Backspace key of the on-screen keyboard does not function. Add a comment. (7 Things That Will Help You! 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. Share Improve this answer Follow answered Aug 23, 2010 at 6:39 CarpeNoctem 2,407 4 23 32 Add a comment Your Answer Reinstalling terminfo (I couldn't find termcap) worked for me. Thanks. to your account. I am seeing this problem, but my shell is bash. You'll see what code is sent as "erase". Click the Options button and enable the Control + Alt + Backspace check box under Key sequence to kill the X server. You can check if there are any mappings set, and where they came from, like this: Bash backspace deleting one word at a time. by choronzon Tue May 14, 2013 12:22 am. The best answers are voted up and rise to the top, Not the answer you're looking for? So its not working. (I had the problem specifically when doing su -i). 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. Simply, plug in another functional keyboard to your existing laptop or PC and see whether its Backspace key is working or not. not provide terminfo file for that terminal I copied rxvt-unicode-256color I am using tmux to force the error since it uses an relatively uncommon terminal config. Also Tab & del keys don't work too. 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. key. I tried ssh from cygwin (in windows) to Debian. 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. I get space when i hit backspace on both minty terminal as well as cygwin terminal, @Rachel Did you ever resolve this? My terminfo folder was entirely missing. This solved the fact that cygwin64 was ignoring backspaces in commands containing line breaks. How could this behavior be fixed so backspace removes character instead of adding these characters? [rendering fine] That will give you backspace capabilities in everything but emacs. you tell athena what to expect for the backspace key. 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 Whether it is hardware or software. Beside "stty" solution, you may try the "TERM" solution. Ask Ubuntu is a question and answer site for Ubuntu users and developers. It resets all the special characters to their default values. is it possible in HP-UX HPE GreenLake Products Support Contact Dashboard Applications Devices Manage My cart Close Close HPE GreenLake Cloud Consoles $ TERM=xterm-256color I'd like to fix this frequent problem where the shell on a remote server thinks my terminal's backspace key is ^? For Working Professionals. Why is there a voltage on my HDMI and coaxial cables? This did not fix the issues.. however, it did allow me to then perform an update via the plugins manager which got me to version 0.1.11638 which resolved the backspace issue and gives the wonderful ERD. Learn more about Stack Overflow the company, and our products. 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!" How Much Storage Should a Gaming PC Have in 2022? Just to chime in the new ssp changes break building ncurses, undefined references to FILE in ssp/stdio.h and ssp/whar.h. . Did you know that windows 7, 8, and 10 can troubleshoot your keyboard? So perhaps all packages depending on ncurses need re-compile? 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). You may have to check the "Hide Obsolete" checkbox for term to appear in the search. What Is the Difference Between 'Man' And 'Son of Man' in Num 23:19? 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. Replacing broken pins/legs on a DIP IC package. Learn more about Stack Overflow the company, and our products. Readers like you help support MUO. Connect and share knowledge within a single location that is structured and easy to search. 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. (Yes! 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. Share Improve this answer edited Jan 2, 2021 at 17:14 seminar 3 2