Alt + Cmd: Make a rectangular selection. If you're using vim and you can't make a selection, try holding down the alt key and see if that fixes it. Alt/Option: Mouse reporting will be disabled. Q: What modifier keys affect marking a selection for copy and paste?Ī: If you hold down modifier keys while making a selection, the behavior changes in various ways: For most users, Esc+ will be the best choice. At the bottom is a set of buttons that lets you select the behavior of the Option key. Select your profile on the left, and then open the Keyboard tab. Q: How do I make the option/alt key act like Meta or send escape codes?Ī: Go to Preferences > Profiles tab. Q: I'm a Chinese, Japanese, or Korean user and some characters don't line up because they are not rendered in double-width.Ī: Go to Preferences > Profiles > Text and change the setting of "Treat ambiguous-width characters as double-width." Q: Why can't I set my session's shortcut key to Ctrl-Cmd-D?Ī: That key is used by macOS's Dictionary program. Q: Some characters appear to be twice as wide as others, and things aren't lining up correctly. You need to make sure the size (height) of two fonts do not differ greatly, so iTerm2 won't display a mess of mixed glyphs. For other languages, you need to specify a font that works with your language as the Non-ASCII font. If you only use English or western european languages, you probably only need to set the font for ASCII characters. What should I do?Ī: iTerm2 lets you to specify two fonts. For example, to delete all settings, run: defaults delete 2 To modify it, use the "defaults" command. Q: Where does iTerm2 store its settings?Ī: Preferences, including profiles, are stored in ~/Library/Preferences/. Disabling Preferences > Profiles > Keys > Allow application keypad mode will prevent your terminal from getting stuck in application keypad mode, which often has the effect of breaking keys that normally work. Make sure you do not have custom key bindings in Preferences > Keys or Preferences > Profiles > Keys for these keys. 
Q: Why my arrow/HOME/END keys are not working?Ī: Check that the $TERM variable is correct. If you are on 3.2 or later, ensure the GPU renderer is enabled and that it can be used per the restrictions described at Metal Renderer.
Use a solid background color rather than an image. Q: How can I improve iTerm2's performance?Ī: Make sure you are running the latest version. Try running this command in bash to see the difference between the two behaviors: printf '\e[0 31mplain\n\e[1 31mbold\n'\ Q: I don't like the way that iTerm2 renders bold fonts.Ī: Go to Preferences->Profiles->Text and change the "Draw bold text in bold font" and "Draw bold text in bright colors" settings. See the downloads page for which OS versions are supported by each version of the app.
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