If everything else fails, you can fire up another terminal program that works for you, check the escape sequences generated by arrow keys in those program, and go back to iTerm, type these key sequences in your keyboard profile. In some system, vi by default works in the original vi mode, which does not support arrow keys. And lastly, check if you have set up your console application correctly. These settings will override the default behavior. Secondly, check if there's any customized key bindings for these keys. Unfortunately, iTerm2 does not have these shortcuts by default, so having to change an argument in a long command (or correct a typo) can be a case of pressing and waiting. Scripts like bashrc may change the terminal type and create some problem. In most MacOS application you can hold button and one of the arrow keys to jump words for faster navigation while editing large blocks of code. The terminal type set in the terminal profile should match the TERM variable in your session environment. To do this, click iTerm -> Preferences -> Profiles -> Keys and find. In any case, if your keys are not working, first check if iTerm is set to correct terminal type. The first step is to disable the custom binding in the iTerm preferences. Termcap and terminfo are written for full screen applications, so they will report the cursor application mode sequences. Full screen applications such as vi and emacs usually use cursor application mode. I now run it with SIP enabled on my work machine, not by choice. Most shells are good with the normal mode. Cmd-arrow keys work fine for this, if you are willing to take your hands off the home. These two modes are respected by many console programs. bindkey grep up-line ' OA' up-line-or-beginning-search ' 5' up-line-or-history ' A' up-line-or-history. Here is some output from commands related to the issue: Read and pressing the up arrow key. For the cursor application mode, iTerm generates ESC O sequences. I tried a few solutions from existing answers but I couldn't find a way to make it work. The desired behavior of option-arrow keys are to move the cursor one word forward or backwards. For the normal mode, iTerm generates ESC [ sequences. option-arrow keys not working but only when I ssh. The escape sequences generated by these keys depend on if your session is in the normal mode or the cursor application mode. If the shortcuts below don’t work as you expect, look in the app menus in the menu bar to see the correct shortcuts. for sudo prompts (but not other password prompts) in Terminal and iTerm. When the terminal type of your sessions is set to one of those "xterm" types, iTerm handles the arrow keys, the home key, and the end key in a special way. password (/Ctrl-Shift-C), or one-time password (- Option-C/Ctrl-Alt-C). In one of the old versions, there was a Terminal Profile called "Xterm (OS X)".
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