bash backspace not working bash backspace not working

If there are any new updates, Windows 10 / 11 will be installing them. SSD as primary or secondary drive on a small Linux server? What's the difference between a power rail and a signal line? However, this shortcut is implemented by the X server and may not work if X hangs in some ways. 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? 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. Our journey has still to come to an end. To do this: Press Windows logo key + R on your. Now it does the 'usual' backspace. bash terminal: can the find and make duplicate text be extended globally--Apple? No shell was defined in. ```. So guess it might need some patches to get around this. What's the difference between a power rail and a signal line? Say it is ^H. Manage Settings I've been trying to research this issue on Google, but did not find anything conclusive. 1,710 views. An example of data being processed may be a unique identifier stored in a cookie. Beside "stty" solution, you may try the "TERM" solution. Where does this (supposedly) Gibson quote come from? ), 17 Best Makeshift Mousepads And Alternatives (2022 Update). in communication from California State University, East Bay. Instead of saying "Keep" for each, click it to make it say "Reinstall". It only takes a minute to sign up. It worked. Now, if you restart your vscode or terminal inside the vscode, TERM will reset to default and the problem will occur again. Ubuntu and the circle of friends logo are trade marks of Canonical Limited and are used under licence. With over 10 pre-installed distros to choose from, the worry-free installation life is here! What I am doing then is to type <up> to get that command line from the history and edit it, i.e. Im a developer, a dad, and a big tech enthusiast. Why are Suriname, Belize, and Guinea-Bissau classified as "Small Island Developing States"? @ray326 Sep 14, 2004 # All the main line Linux distros will install on empty space on a drive that also has other partition types like the Windows partitions. When pressing the backspace key Cygwin falsly interpreted it as a space. If you use the search box you can find them quickly. E.g. Minimising the environmental effects of my dyson brain. This is also the case with the Sticky key. I have tried all 5 options but none of them fixed the issue. The cursor keys work too since the bash 4.4.0.19-1 and still with 4.4.0.19-2 . Data Structure & Algorithm Classes (Live) System Design (Live) DevOps(Live) Explore More Live Courses; For Students. 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. Currently I have ASCII DEL. Okay, yeah, I didn't know of this issue. Say it is ^H . Either the last space will get erased (backspace functioning correctly, delete. Bulk update symbol size units from mm to map units in rule-based symbology. So I'm stuck having to manually type stty erase [whatever] to fix it when I notice the backspace key is wrong. You should be able to configure what exactly is sent when pressing the Backspace key in your terminal emulator's settings. I am using tmux to force the error since it uses an relatively uncommon terminal config. Also Tab & del keys don't work too. Replacing broken pins/legs on a DIP IC package. 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. @whtyger this worked for this script. Most application will expect that you already have the emulator set to something compatible such as xterm or linux. ether@jolteon MSYS /w My backspace key and zsh vi-mode are broken on command line when i use tmux. Additionally, the release notes say: hese notes are for ncurses 6.1, released January 27, 2018. 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. 5 comments. host was set to rxvt-unicode-256color. There is discussion here and here but it probably only gets resolved if lots of people email github support. This also resolved a similar issue I was having with the cursor keys. 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. :(. I encountered this problem when I tried to add bash and use it in a distroless image. This key is known as the Del key on full-sized Macintosh keyboards. The difference between the phonemes /p/ and /b/ in Japanese, Recovering from a blunder I made while emailing a professor. The "foo" part is what bash sees when you press ALT + CyrChar. When I enter TERM=xterm, the problem disappears, even after I set TERM=xterm-256color again. vegan) just to try it, does this inconvenience the caterers and staff? by choronzon Tue May 14, 2013 12:22 am. 5.3 How to tell X to interchange Delete and Backspace % xmodmap -e "keysym BackSpace = Delete" -e "keysym Delete = BackSpace" Or, if you just want the Backspace key to generate a BackSpace: Why do many companies reject expired SSL certificates as bugs in bug bounties? I start my mintty session with xterm-256color, and I can reproduce the backspace problem as stated. This solution is likely to work for most users. What is the point of Thrower's Bandolier? I'm seeing the same issue with a fresh Cygwin install. On Windows 10 (Fall Creators Update) both TERMs don't produce this error (at least for me). 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. You can now navigate webpages in Chrome by pressing Alt + left arrow to open a previous page and Alt + right arrow to move forward. TERM variable in source Are there tables of wastage rates for different fruit and veg? And during that research, I was led to the above link. Ok thats a bit simpler, but wont it affect other sources to remove the hardening ? How to have bash write two bash history files without changing bash source code? 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. terminal had problems with some control characters. The latter is possible when you use the virtual keyboards Backspace key. Why do many companies reject expired SSL certificates as bugs in bug bounties? Luckily, the problem is rather easy to fix. I'd like to fix this frequent problem where the shell on a remote server thinks my terminal's backspace key is ^? @elieux there are conflicts in cygwin headers, I do have the described issues as well. Phil. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Does Counterspell prevent from any further spells being cast on a given turn? The -a flag will give a human-readable output of the control characters. It does exactly the same thing as the backspace key. 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? It's almost like the CMD shell that Cygwin is bound to is failing to interpret cursor movement. Your answer could be improved by explaining why your solution correctly would resolve it for the user in the question. Thanks for contributing an answer to Super User! But only on Windows 8.1 using TERM=screen-256color or TERM=xterm-256color. If you hit ^L you can see that backspace IS working. I suspect I have to change a key translation table somewhere. 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. Similarly, try using the same problematic keyboard with another laptop or PC. Verify that the remote host shell TERM setting matches your terminal's term setting (localhost) and that the remote host supports the TERM setting. 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. 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. This is because your default shell is sh, to use bash, just run bash from your shell. It's available through the Cygwin installer. EDIT2: My bad the error occurs on Windows 10 as well. You may have to check the "Hide Obsolete" checkbox for term to appear in the search. It only takes a minute to sign up. Thus, you should try one or all of them to get the key working again. Is there a proper earth ground point in this switch box? How do you ensure that a red herring doesn't violate Chekhov's gun? My terminfo folder was entirely missing. I used # stty -icanon to disable the 4k limit, but lost the ability to use backspace (erase). To do so: Now, check whether the key is working or not. 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. That will give you backspace capabilities in everything but emacs. Use This Guide), Cursor Disappears in Chrome? In the terminal, press Ctrl + v and press your backspace. Calculating probabilities from d6 dice pool (Degenesis rules for botches and triggers). Click the Options button and enable the Control + Alt + Backspace check box under Key sequence to kill the X server. My backspace did nothing, when it should have sent a destructive delete. (Only after rebuilding bash): bash aborts after setting TERM to some dummy name, e.g. Browse other questions tagged. I agree with all the answers here. Why do academics stay as adjuncts for years rather than move around? It only takes a minute to sign up. 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. and it literally would have translated 'k' into the erase/delete character.. Why is there a voltage on my HDMI and coaxial cables? Therefore I suggest you add the export TERM=xterm in bash_profile or bashrc. A place where magic is studied and practiced? The consent submitted will only be used for data processing originating from this website. 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. Learn more about Stack Overflow the company, and our products. Now, on it, just press the Backspace key using your mouse. E.g. I tried googling but didn't find what I was looking for! I did nothing special. Rebuild bash can fix the problem. in my .bashrc file, and use some other terminal to access the server, it often ends up wrong. Instead need to find why it happen. Ok, I had this issue with manually updating a Cygwin install. Solved: Hi I am connecting my HP-UX thru Telnet using putty. 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. Can you give more details of how you installed and invoked Cygwin, and where exactly the backspace key fails to work? What I don't understand though is why my shell handles backspace as expected, but reading from stdin in my app does not. I tried the following with and without a ~/.bashrc file: Pressing few chars and then a backspace seems to print a space. How is an ETF fee calculated in a trade that ends in less than a year? To learn more, see our tips on writing great answers. 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. 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. The linux console emulates a vt220 terminal which has the following key-mapping: What is the correct way to screw wall and ceiling drywalls? Re: del and backspace no longer work. Confirm it fixes the crash for me, thanks. 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. ether@jolteon MSYS /w I solved the problem by using ash.exe and run pacman -Syu bash in it. Uh oh new msys2-runtime breaks windows cmake, it cannot find itself after update. 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. Mutually exclusive execution using std::atomic? This may seem strange, but the Linux console emulates a VT100 terminal, and this is the way things work in that realm. ``` 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. Your backspace key may be broken due to a bad mapping which has been loaded into Vim. I do not know if this case matches every one. I posted previously on SQLPLUS having a really unfriendly user interface, but with this problem makes it even worse. In the remote host, run #stty erase ^H . Copyright 2020-2023 Techtreatbox.com | All rights reserved. What video game is Charlie playing in Poker Face S01E07? Why do many companies reject expired SSL certificates as bugs in bug bounties? What sort of strategies would a medieval military use against a fantasy giant? Ive heard many people complaining about the backspace key not working properly on Discord and this is the Discord glitch. privacy statement. Look in the archives - it has come up before. They might say something like "I love Linux system mangling^H^H^H^H^H^H^Hadministration.". . Browse other questions tagged, 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. How can this new ban on drag possibly be considered constitutional? This solved the fact that cygwin64 was ignoring backspaces in commands containing line breaks. Connect and share knowledge within a single location that is structured and easy to search. It's worth noting that you aren't getting "a space": It's failing to move the cursor back to erase the character. Isn't there a better fix for struct FILE? Have a question about this project? the following line in your .startup.tty file: stty erase "^H". Github IMHO has quite a bad code viewer. 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. Look around putty's options menu for a "send hard reset" option as well. 7 Best MMO Keyboards for a Better Gaming Experience (2022 Guide), 5 Best 1800 Compact Keyboards (Your 2022 Guide), How To Fix Your Keyboard When Its Acting Weird? Unix & Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un*x-like operating systems. This deletes the but I am getting: > ls foo.c ls: cannot access 'foo.c'$'\303': No such file or directory. If the backspace was working okay initially and no longer is then try using the "reset" command. How do I check if a directory exists or not in a Bash shell script? To learn more, see our tips on writing great answers. The text was updated successfully, but these errors were encountered: It seems the shell is not able to move the cursor backwards, and when it tries to re-render the line, it just appends the new string instead of replacing the old one. Esc, Enter, and Spacebar are prone to stop operating altogether with backspace, which is very common. It works in other packages though so id say this is something that needs to be looked at upstream by the ncurses devs. Windows keyboards also have a Delete key, but this deletes characters in a forward direction. If the above fail to work, the last resort, you may interrupt the current line to start it over in the new line. For Working Professionals. How to make the prompt beep with every key press/character printed? I'll wait patiently for a release to get to pacman. A lot of older computer terminals used a different control character for Backspace than today, using "Ctrl + H.", Modern terminals use "Ctrl + ?" Added on Jan 19 2014. I banged the keyboard and about three cigarettes worth of ash fell out. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. This simple comment is certainly the best solution I have seen to this. Solved: using "tab", "backspace" and "arrow" keys. Logged in to "-bash", not to "bash". What terminal are you using? Making statements based on opinion; back them up with references or personal experience. The best answers are voted up and rise to the top, Not the answer you're looking for? His writing has appeared in Techopedia, TMCnet, and the Motley Fool blog network. Backspace and Tab keys might not work properly when you're logged in remotely to a Linux system. I checked my /var/log/pacman.log which ended with: So, somewhere between 2018-01-15 and 2018-01-30 this regression happened. I tried stty erase '^?' What happens when you type control-V followed by backspace? Its much worse if it happens to other keys on your keyboard as well. Does it do anything? I had exactly this. 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. 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. Simply run Cygwin setup again and reinstall termcap and terminfo. It's definitely a problem of tcsh since in any other application the backspace works fine. How to follow the signal when reading the schematic? Learn more about Stack Overflow the company, and our products. David is a freelance writer based in the Pacific Northwest, but originally hailing from the Bay Area. FWIW, I tried rebuilding bash locally (first time, so hopefully it's OK) and it seems to fix the issue. Changing the TERM variable to cygwin and adding SET TERM=cygwin to the .bat file didn't work for me, but I fixed it. So perhaps all packages depending on ncurses need re-compile? not provide terminfo file for that terminal I copied rxvt-unicode-256color 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. 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. 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. So, I'm new to VS code just installed it and I'm having an issue. Not the answer you're looking for? If you preorder a special airline meal (e.g. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. Look for the "erase" character. Making statements based on opinion; back them up with references or personal experience. Google has wittingly removed this shortcut, beginning from version 52. xterm-256color My rebuilt bash still does this. I have this issue as well. Why backspace key is not working? If I set it to ^H or ^? If I set it to ^H or ^? Where does this (supposedly) Gibson quote come from? In the right panel, you will see the Onscreen Keyboard option. It might help us identify where the problem lies. Reinstalling does not work either and i cannot recompile it either because the bootstrapped version also cannot find itself. We try our best to keep things fair and balanced, in order to help you make the best choice for you. for Backspace. 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.. Welcome to Unix & Linux! I'm seeing it now on my new Cygwin install, though it previously worked. Cygwin Terminal backspace and arrow keys not working. Hello, I have the same problem. 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. Can Martian regolith be easily melted with microwaves? It is wise to try easy and basic solutions first. How do I get to know the value of TERM? Whether youre using a laptop or a PC computer, its quite annoying to have your key fail to work. Thanks! Alternatively, just dont go full-width with your screen. How Much Storage Should a Gaming PC Have in 2022? Thank you for the information. @Rachel Thanks, though I found out that my problem was that the Cygwin install missed some important files (like /usr/lib/terminfo). Share Improve this answer Follow answered Aug 23, 2010 at 6:39 CarpeNoctem 2,407 4 23 32 Add a comment Your Answer Up/down/left/right arrows while in less (/usr/bin/less) does seem to work correctly. This article aims to help you with the problem and gives you some solutions to what to do if your backspace doesnt work anymore. Browse other questions tagged, 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. I build my application image with the multi-stages build. maybe related: https://bugs.archlinux.org/task/57300?project=1&string=ncurses, Possibly interesting development: mintty/mintty#738 (comment). i newer had any problem with it so im curious. @Alexpux, what's wrong with _FORTIFY_SOURCE=2? After connecting from Fedora to an OpenWrt host with ssh the remote bash backspace in Vim instert mode (see here: https://bugs.gentoo.org/154090). I followed the advice in this old reddit post: I copied the .terminfo folder from my user directory to the .terminfo folder under my root user directory. How to match a specific column position till the end of line? Try to install the Terminal Emulator Mintty (http://code.google.com/p/mintty/). Assuming you're using gnome-terminal as emulator, open the Edit manu and click on Profile preferences. Thanks for pointing out the shortcomings of my previous answer. Basically, each time you hit backspace your cursor is moved to the beginning of the text field. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. vegan) just to try it, does this inconvenience the caterers and staff? 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. Added on Nov 4 2000. 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. The backspace seems to work as expected while using Vim from the terminal in most Linux systems however. Fixed it for me rebuilding ncurses against the new cygwin ssp allthough i had to hack about it a bit because the cygwin ssp bailed out with an error to find struct FILE. It's like the shell reads the keys correctly but not able to re-render the input line correctly. How to Connect Two Monitors To One Computer With One VGA Port? From ubuntu all should works just fine. Clearly this is a regression in or triggered by ncurses 6.1; the changelog mentions some changes to xterm-256color. 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 ^? Add a comment. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. I also know of other people bumping into this issue, which, again, is quite a dealbreaker. now copy all the files and folders that exist inside /usr/share/terminfo to the folder C:\cygwin\etc\terminfo - Reinstalling terminfo (I couldn't find termcap) worked for me. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. For more information regarding what export TERM=xterm does you can check the following answer. It is useful when the physical keyboard has stopped working well. 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 tried ssh from cygwin (in windows) to Debian. I've emailed several times over the past year, but it doesn't seem like a priority.