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. http://linux-journal.blogspot.com/2005/04/fix-vim-backspace-doesnt-work.html, Worked for me: In the Windows command prompt, type. Most systems will recognize the latter as Backspace these days as physical terminals have largely been replaced by terminal emulators on PCs, but you may still run into systems that haven't been upgraded and still expect "Ctrl + H.", This is one reason you'll see old Unix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!" I'm guessing this is happening in the shell. Just updated the repo and simple `makepkg` in the bash directory. I start my mintty session with xterm-256color, and I can reproduce the backspace problem as stated. What would work is to use two backspaces, which gives the non-intuitive correct result: You should be able to configure what exactly is sent when pressing the Backspace key in your terminal emulator's settings. The best answers are voted up and rise to the top, Not the answer you're looking for? terminfo file from source host to remote host directory: Changing `TERM` (e.g. Click the Options button and enable the Control + Alt + Backspace check box under Key sequence to kill the X server. 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 I am doing then is to type <up> to get that command line from the history and edit it, i.e. You may have to check the "Hide Obsolete" checkbox for term to appear in the search. Asking for help, clarification, or responding to other answers. Bash, how to globally fix ^H and ^? backspace problems Backspace doesn't work inside running bash script, https://unix.stackexchange.com/questions/131105/how-to-read-over-4k-input-without-new-lines-on-a-terminal, How Intuit democratizes AI development across teams through reusability. Can Martian regolith be easily melted with microwaves? Connect and share knowledge within a single location that is structured and easy to search. 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. You can even remove the Backspace key to know whether it is damp or covered with dust and clean it completely. Re: del and backspace no longer work. When I enter TERM=xterm, the problem disappears, even after I set TERM=xterm-256color again. After connecting from Fedora to an OpenWrt host with ssh the remote bash How to check if a string contains a substring in Bash. Your answer could be improved by explaining why your solution correctly would resolve it for the user in the question. The best answers are voted up and rise to the top, Not the answer you're looking for? I tried vt100. If I set it to ^H or ^? @Alexpux any plans to downgrade ncurses soon? bash uses wrong character length for multi-byte characters Why is this sentence from The Great Gatsby grammatical? Bash backspace deleting one word at a time. Why do academics stay as adjuncts for years rather than move around? Thanks! Esc, Enter, and Spacebar are prone to stop operating altogether with backspace, which is very common. Never experienced your problem. now copy all the files and folders that exist inside /usr/share/terminfo to the folder C:\cygwin\etc\terminfo - Already on GitHub? On the other hand, I also have another account on the same machine & when I ssh through this account, its terminal works perfectly fine. The backspace doesn't work in the bash terminal of VS code. Luckily, the problem is rather easy to fix. Similar to the Backspace key, you can fix the issue using the stty command if Tab doesn't work in the terminal. Making statements based on opinion; back them up with references or personal experience. linux - Backspace, Tab not working in terminal (using ssh) - Unix Left and right arrows at the shell prompt don't skip chars as expected, but ctrl-v and then pressing an arrow key does print a correct (I think) string, e.g. In the remote host, run #stty erase ^H. vegan) just to try it, does this inconvenience the caterers and staff? 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. The space you're seeing is the space that was supposed to stomp on the previous character. Basically, each time you hit backspace your cursor is moved to the beginning of the text field. (Yes! 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. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. 6,402, 678 Maybe key mapping. Fix backspace/delete when ssh'ing into Linux machines Why do many companies reject expired SSL certificates as bugs in bug bounties? Note that, @roaima @Kusalananda Thanks for pointing it out that OP didn't mention. Why doesn't the backspace key work in insert mode? So I'm stuck having to manually type stty erase [whatever] to fix it when I notice the backspace key is wrong. If you don't have termcap installed install it but . Pressing backspace with root gives weired character in putty If the file is not a POSIX compliant text file, the last line may not include a newline character . Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. UNIX is a registered trademark of The Open Group. Note that Docker is not mentioned by the user. It's available through the Cygwin installer. Fortunately, you can also fix this with the stty command. Sign in Would you mind sharing your build procedure? Something tells me we should hold off on this version untill it becomes more stable. This may seem strange, but the Linux console emulates a VT100 terminal, and this is the way things work in that realm. 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. 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. I can confirm the error. It is useful when the physical keyboard has stopped working well. Its much worse if it happens to other keys on your keyboard as well. To enquire how your keys are mapped: stty -a Look at the "erase =" subsection. Ctrl + C Tags: Backspace Linux sqlplus Unix previous SQL Developer Change Language 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. I just installed Cygwin and the BACKSPACE functionality is not there, i.e. 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. The reason for this is because many Linux distro's ship with pre-made vimrc files which set some common options. The corrupted association between windows 10 and your physical keyboard is the reason why your Backspace key has stopped working. Disconnect between goals and daily tasksIs it me, or the industry? Deleting ~/.minttyrc helped here (or I was just lucky and that was unrelated..). And when I press Ctrl + backspace the output is ^H. @SomeCallMeTim: I was able to fix this issue by using Minty, cygwin behaves in very wierd manner at times. You may have to edit several configuration files to tell all of the programs involved precisely what you want. :(. Note: if you already installed cygwin just run installer again and add xterm package. What I'd like to do is bind both ^? In my case, I had to switch from xterm-256color to xterm-88color and it is far better than other options. For Working Professionals. Phil. 1) On your keyboard, press the Windows logo key and R at the same time to invoke the Run box. 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. So (7 Things That Will Help You! Allow the utility to complete the scan and then follow the instructions. This solved the fact that cygwin64 was ignoring backspaces in commands containing line breaks. Is a PhD visitor considered as a visiting scholar? How can I explain to my manager that a project he wishes to undertake cannot be performed by the team? So, if this does not work, it is worth trying out other below solutions. Say it is ^H. The Linux keyboard and console HOWTO: Delete and Backspace 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. I'd highly recommend getting Partition Magic to "sqeeze" your existing Windows partition down in preparation for this process, though. It only takes a minute to sign up. Can I tell police to wait and call a lawyer when served with a search warrant? Im a developer, a dad, and a big tech enthusiast. A place where magic is studied and practiced? (I had the problem specifically when doing su -i). Added on Jan 19 2014. vegan) just to try it, does this inconvenience the caterers and staff? The update for bash to version 4.4.019-1 fixed the shell history in mintty's terminal mode xterm-256color for me. Is it known that BQP is not contained within NP? 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. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. So its not working. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. [still broken rendering] bash terminal: can the find and make duplicate text be extended globally--Apple? On Windows 10 (Fall Creators Update) both TERMs don't produce this error (at least for me). I build my application image with the multi-stages build. Did you ever resolve this? This is the solution to try if the Backspace key of the on-screen keyboard does not function. I noticed few missing files in msys2 filesystem package like the one that autoregenerates fstab, what was the reason this one was removed ? I encountered this problem when I tried to add bash and use it in a distroless image. This also resolved a similar issue I was having with the cursor keys. Connect and share knowledge within a single location that is structured and easy to search. To learn more, see our tips on writing great answers. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. 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. Why do many companies reject expired SSL certificates as bugs in bug bounties? You have these five options below available to chose from. And during that research, I was led to the above link. to your account. Reboot your laptop or PC so that Windows can reinstall the keyboard automatically. You need remove -D_FORTIFY_SOURCE=2 from CPPFLAGS in makepkg.conf file. 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. If you have tried all the above-mentioned fixes and nothing works then chances are that its a software-specific issue. 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. What happens when you type control-V followed by backspace? If this is the reason, you will have to run your antivirus or antimalware software to get rid of the malware. FWIW, I tried rebuilding bash locally (first time, so hopefully it's OK) and it seems to fix the issue. To update Windows 10 / 11, you should check for Windows Update in Settings. Also the backspace key works perfectly fine on Git Bash. Fortunately, this is easy to fix with a simple command. I tried googling but didn't find what I was looking for! Now, if you still use VI, sometimes the translation doesn't work and you have to actually type ^H in vi, but that's OK. You could have said: stty erase k [ENTER] You can now navigate webpages in Chrome by pressing Alt + left arrow to open a previous page and Alt + right arrow to move forward. Learn more about Stack Overflow the company, and our products. Since it seemed that OpenWrt repos did 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. To do so: Now, check whether the key is working or not. I do not know if this case matches every one. Keep in mind that we may receive commissions when you click our links and make purchases. Backspace and Tab keys might not work properly when you're logged in remotely to a Linux system. This is a big hope to restore the keys functionality to Chrome and other applications. There are several different ways to set your backspace key when this happens. Fix 4: Reinstall the Keyboard Driver This is the solution to try if the Backspace key of the on-screen keyboard does not function. Share Improve this answer Follow answered Apr 11, 2015 at 10:06 Kunal Kapadia 151 1 1 Add a comment 4 backspace doesn't work in SQLPLUS? - Oracle Forums Can you give more details of how you installed and invoked Cygwin, and where exactly the backspace key fails to work? When pressing the backspace key Cygwin falsly interpreted it as a space. Mutually exclusive execution using std::atomic? 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 ^? How do I check if a directory exists or not in a Bash shell script? In my case backspace was not at all working after creating blank ~/.vimrc. I run: And I found that
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