bash backspace not working

(ii) Because Linus decided so. It does exactly the same thing as the backspace key. 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. Can I tell police to wait and call a lawyer when served with a search warrant? Some more background to my problem/solution: I had a problem where I need to paste more than 4k characters. key. If there are problems with cygwin, I even tried it from ubuntu terminal, but same problem. It's available through the Cygwin installer. Bash, how to globally fix ^H and ^? Added on Jan 19 2014. Get a virtual cloud desktop with the Linux distro that you want in less than five minutes with Shells! Making statements based on opinion; back them up with references or personal experience. Not working means when I tap the backspace it prints a white space in the terminal. They don't have a public issue tracker. Using indicator constraint with two variables. Fix 4: Reinstall the Keyboard Driver This is the solution to try if the Backspace key of the on-screen keyboard does not function. Even am stuck on the same issue and from minty also backspace functionality is not working. Minimising the environmental effects of my dyson brain. Assuming ncurses 6.1 may break binary compatibility, it would need a rebuild of all packages which use ncurses. I was missing the terminfo entries for my terminal. The older cygwin had a file /etc/terminfo/c/cygwin, but in the newer cygwin it expected the file to be /etc/terminfo/63/cygwin. So, after ssh to unix host (it doesn't depend debian it or other host) set the TERM variable according to your terminal. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. We try our best to keep things fair and balanced, in order to help you make the best choice for you. . This is also the inference to draw when other keys do not work. The reason for this is because many Linux distro's ship with pre-made vimrc files which set some common options. Ok thats a bit simpler, but wont it affect other sources to remove the hardening ?,, How Intuit democratizes AI development across teams through reusability. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Is there a single-word adjective for "having exceptionally strong moral principles"? 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 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. Since it seemed that OpenWrt repos did with stty erase ^H or stty erase ^? I'm seeing it now on my new Cygwin install, though it previously worked. Backspace doesn't work inside running bash script,, How Intuit democratizes AI development across teams through reusability. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. I can confirm the error. 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. How could this behavior be fixed so backspace removes character instead of adding these characters? Why do small African island nations perform better than African continental nations, considering democracy and human development? The easiest way (which did not work everytime while testing) is to simply reinstall terminfo and termcap via setup.exe, as mentioned here: Backspace does not work in Cygwin. Github IMHO has quite a bad code viewer. Ok, I had this issue with manually updating a Cygwin install. To use this utility in Windows 10, perform the following steps: If your computer is facing a malware attack, the probability of it restricting the use of keyboard keys such as Backspace and Enter up to some extent is high. $ TERM=xterm-256color In my case backspace was not at all working after creating blank ~/.vimrc. TERM=blahblah. Your backspace key may be broken due to a bad mapping which has been loaded into Vim. ), HDMI 2.0 Max Refresh Rate & Resolution (Can You Get 144Hz?). And when I press Ctrl + backspace the output is ^H. You don't need to open tmux. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. It's like the shell reads the keys correctly but not able to re-render the input line correctly. This worked for me! To do so: Now, check whether the key is working or not. Acidity of alcohols and basicity of amines. not provide terminfo file for that terminal I copied rxvt-unicode-256color 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 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. Therefore I suggest you add the export TERM=xterm in bash_profile or bashrc. Backspace and Tab keys might not work properly when you're logged in remotely to a Linux system. Making statements based on opinion; back them up with references or personal experience. 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. Continue with Recommended Cookies. He has been using Linux regularly in some form since 2006. Well occasionally send you account related emails. The backspace key not doing backspace is actually a common problem with Linux shells and terminals (see ). Re: del and backspace no longer work. Why do many companies reject expired SSL certificates as bugs in bug bounties? David holds a B.A. Most of the information in is indeed what you need. This is a big hope to restore the keys functionality to Chrome and other applications. What I am doing then is to type <up> to get that command line from the history and edit it, i.e. Note: if you already installed cygwin just run installer again and add xterm package. Hmm ok scratch that, for some reason one of the updates had deleted the fstab file, after recreating it it worked again. I added in braces how they behave on my system: I had the same problem, using bash in Gnome-Terminal. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Not the answer you're looking for? Whether it is hardware or software. printf "x\byz\e[D1" does print y1. You can even remove the Backspace key to know whether it is damp or covered with dust and clean it completely. David has been able to combine his passion for computing and writing in his career as a freelance writer. 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. ether@jolteon MSYS /w Thanks for contributing an answer to Super User! If so, how close was it? Find centralized, trusted content and collaborate around the technologies you use most. The backspace doesn't work in the bash terminal of VS code. when in a cygwin, how can I display the windows folder where cygwin is installed? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. and sometimes it thinks it is ^H, and happens to be incorrect and outputs the wrong character when I press backspace. 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. Thus, you should try one or all of them to get the key working again. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. backspace in Vim instert mode (see here: Say it is ^H . The backspace doesn't work in the bash terminal of VS code. Are there tables of wastage rates for different fruit and veg? I'm not planning downgrade ncurses. 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. When you set the TERM type you are telling the host which TERMCAP to use to draw within the terminal window. Browse other questions tagged. Thus, you need to replace the keyboard. How to make the prompt beep with every key press/character printed? Styling contours by colour and by line thickness in QGIS. Never experienced your problem. host was set to rxvt-unicode-256color. Asking for help, clarification, or responding to other answers. How can I explain to my manager that a project he wishes to undertake cannot be performed by the team? vegan) just to try it, does this inconvenience the caterers and staff? Click the Options button and enable the Control + Alt + Backspace check box under Key sequence to kill the X server. Google has wittingly removed this shortcut, beginning from version 52. What happens when you type control-V followed by backspace? For Working Professionals. How to check if a string contains a substring in Bash. What sort of strategies would a medieval military use against a fantasy giant? Why does my backspace key keep being unbound from erase? Crtl C and V worked, Ctrl-Z did not, Z worked. UNIX is a registered trademark of The Open Group. (NOT fixed after rebuilding bash): bash aborts after setting TERM to some dummy name, e.g. 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. In the terminal, press Ctrl + v and press your backspace. What video game is Charlie playing in Poker Face S01E07? 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. 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). 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. If so, how close was it? I think your TERM was set to something incompatible. It's almost like the CMD shell that Cygwin is bound to is failing to interpret cursor movement. I couldn't figure out why is this happening. It's definitely a problem of tcsh since in any other application the backspace works fine. ), 17 Best Makeshift Mousepads And Alternatives (2022 Update). Getting Delete and Backspace to work just right is nontrivial, especially in a mixed environment, where you talk to console, to X, to bash, to emacs, login remotely, etc. 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. You should be able to configure what exactly is sent when pressing the Backspace key in your terminal emulator's settings. 2) Type devmgmt.msc and press Enter. At times, your keyboard is greatly influenced by these keys. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. What Is the Difference Between 'Man' And 'Son of Man' in Num 23:19? This article aims to help you with the problem and gives you some solutions to what to do if your backspace doesnt work anymore. 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. 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.. @Alexpux, what's wrong with _FORTIFY_SOURCE=2? 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. What Is the Difference Between 'Man' And 'Son of Man' in Num 23:19? Already on GitHub? You can set this in your shell. When I enter TERM=xterm, the problem disappears, even after I set TERM=xterm-256color again. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Similar to the Backspace key, you can fix the issue using the stty command if Tab doesn't work in the terminal. 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. Changing the TERM variable to cygwin and adding SET TERM=cygwin to the .bat file didn't work for me, but I fixed it. Look for the "erase" character. 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. How do I get the directory where a Bash script is located from within the script itself? 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. What can a lawyer do if the client wants him to be acquitted of everything despite serious evidence? Thanks @Tom for your link that fixed the issue for me. Then click Uninstall device. Is there any global settings where I can have this configurations done for all input? Is it suspicious or odd to stand by the gate of a GA airport watching the planes? Bulk update symbol size units from mm to map units in rule-based symbology. I am using tmux to force the error since it uses an relatively uncommon terminal config. 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. 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. The simplest fix by far. 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. Confirm it fixes the crash for me, thanks. Note that Docker is not mentioned by the user. ether@jolteon MSYS /w Whether you are a digital nomad or just looking for flexibility, Shells can put your Linux machine on the device that you want to use. Learn more about Stack Overflow the company, and our products. My code is GPL licensed, can I issue a license to have my code be distributed in a specific MIT licensed project? First, enter CTRL + V ALT + CyrChar in your shell. Most application will expect that you already have the emulator set to something compatible such as xterm or linux. Pressing the Backspace key, depending on how the key is defined, may either perform a destructive backspace (deleting the character to the left of the cursor while moving the cursor to the left) or move the cursor to the beginning of the line. Disconnect between goals and daily tasksIs it me, or the industry? 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!" 1) On your keyboard, press the Windows logo key and R at the same time to invoke the Run box. Use # stty icanon to allow the "canonical (cooked) mode". 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. I'd highly recommend getting Partition Magic to "sqeeze" your existing Windows partition down in preparation for this process, though. By clicking Sign up for GitHub, you agree to our terms of service and Thus, it is wise to use a tool such as Windows Defender or Malwarebytes for detecting malware intrusion. And what the value of TERM you have tried? 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. ctrl-v and then right arrow prints ^[[C but the shell doesn't seem to re-render the line correctly when used without it. Our journey has still to come to an end. However, this does not impact our reviews and comparisons. It worked. There is discussion here and here but it probably only gets resolved if lots of people email github support. You may have to check the "Hide Obsolete" checkbox for term to appear in the search. 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. So a quick fix is as below: You can fix the Tab issue with the same as above. And what's the output of the. terminal had problems with some control characters. Share. Backspace started to work correctly! If you do not want to uninstall the driver, you can even try updating the driver by selecting Update driver from the context menu. 32 related questions found. I found a solution to a problem that presented like the one above. Instead need to find why it happen. @Cyrus My Backspace works as I want it deletes last character always, even for this script from question without. Did this satellite streak past the Hubble Space Telescope so close that it was out of focus? Once I copied the "cygwin" file to this location, the bash shell backspace key worked fine, as did tab and others. 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 . edit - bash does build now. Login from Ubuntu and give me output of commands: 1. echo $TERM 2. stty -a, While this didn't directly help me, since TERM was correctly set, it did help identify the problem. I cd to the bash dir of the msys2 packages repo and issued |makepkg --skippgpchec -sCLf| and it stopped/errored after some time with IIRC undefined type or something. you tell athena what to expect for the backspace key. It's worth noting that you aren't getting "a space": It's failing to move the cursor back to erase the character. Sign in A lot of older computer terminals used a different control character for Backspace than today, using "Ctrl + H.", Modern terminals use "Ctrl + ?" Not sure why it didn't previously, I guess I accidentally ran it in mingw env while now I did it in msys2 env. To open the virtual keyboard, go to Ease of Access keyboard settings and click Keyboard in the left panel. This deletes the but I am getting: > ls foo.c ls: cannot access 'foo.c'$'\303': No such file or directory. If you preorder a special airline meal (e.g. Your answer could be improved by explaining why your solution correctly would resolve it for the user in the question. This key is known as the Del key on full-sized Macintosh keyboards. 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. 6,402, 678 Maybe key mapping. 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. |TERM=blahblah| . Can Martian regolith be easily melted with microwaves? $ TERM=xterm-256color Hope there are no side-effects. Related Posts. Just wondering why the backspace key does not work within SQL*Plus? On the other hand, I also have another account on the same machine & when I ssh through this account, its terminal works perfectly fine. TERM variable in source Apparently it was fixed for them after bash was updated, but I don't know it it was just rebuilt or maybe something else. Does it do anything? Hope this helps someone. When you make a purchase using links on our site, we may earn an affiliate commission. Disconnect between goals and daily tasksIs it me, or the industry? I get space when i hit backspace on both minty terminal as well as cygwin terminal, @Rachel Did you ever resolve this? Instead of saying "Keep" for each, click it to make it say "Reinstall". Surly Straggler vs. other types of steel frames. This also resolved a similar issue I was having with the cursor keys. Now, if you are using bash, it should be enough to create an ~/.inputrc file containing these lines: As an added bonus, they will make Home and End work as well. indent autoindent eol () start CTRL-W CTRL-U . We and our partners use cookies to Store and/or access information on a device. Works for me on a bash integrated terminal in vscode. The difference between the phonemes /p/ and /b/ in Japanese, Recovering from a blunder I made while emailing a professor. But only on Windows 8.1 using TERM=screen-256color or TERM=xterm-256color. I tried the following with and without a ~/.bashrc file: Pressing few chars and then a backspace seems to print a space. How do I get to know the value of TERM? Connect and share knowledge within a single location that is structured and easy to search. 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. Hello, I have the same problem. The Backspace key is a popular shortcut in Chrome. 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 . Staging Ground Beta 1 Recap, and Reviewers needed for Beta 2. Now it does the 'usual' backspace. For example on my Arch Linux system I have /usr/share/vim/vimfiles . Ive seen a few people struggling with using the backspace key in Outlook (Exchange and (Yes! If this is the reason, you will have to run your antivirus or antimalware software to get rid of the malware. Reinstalling does not work either and i cannot recompile it either because the bootstrapped version also cannot find itself. 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'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. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. A place where magic is studied and practiced? Try to install the Terminal Emulator Mintty ( This simple comment is certainly the best solution I have seen to this. I banged the keyboard and about three cigarettes worth of ash fell out. You can now navigate webpages in Chrome by pressing Alt + left arrow to open a previous page and Alt + right arrow to move forward. If there are any new updates, Windows 10 / 11 will be installing them. Now, you may have thought that something is wrong with Chrome or some malware has done its wicked job. 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. @Alexpux any plans to downgrade ncurses soon? How do you ensure that a red herring doesn't violate Chekhov's gun? I just rebuilt bash from current msys2-packages and installed it and the issue seems gone. It's great that this answer helped some other users, but in this case it's not the solution to the question since the original question isn't asking about vim. However, this shortcut is implemented by the X server and may not work if X hangs in some ways. Is there a proper earth ground point in this switch box? $ TERM=xterm I also know of other people bumping into this issue, which, again, is quite a dealbreaker. How is an ETF fee calculated in a trade that ends in less than a year? TERM=blahblah . Reinstalling terminfo (I couldn't find termcap) worked for me. 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. Now that you've sorted out the Backspace key issue in the Linux terminal, you can really get to work. 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. The -a flag will give a human-readable output of the control characters. So, I'm new to VS code just installed it and I'm having an issue. Why do academics stay as adjuncts for years rather than move around? If you don't have termcap installed install it but . Fortunately, this is easy to fix with a simple command. Also Tab & del keys don't work too. Console applications read ASCII sequences, not keysyms.

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