I use fish shell, it's has option "suggests commands", so it is works like in the next screenshot.

Examle: You type command git status. In the next time when you type just g or git fish give you hint (like in the next screenshot), so you can press ctrl+F and you are getting full command git status(like tab arrow in other terminals).

suggests commands in fish shell

But when I use tmux, this option doesn't work correct. There are no hint like in first screenshot. For examle: when I type git, it should be give me hint git status(like in first screenshot), but there are no any hint, I just see what I type. But when I press ctrl+F I get full command git status

enter image description here

In ubuntu it's works fine.

  • What is your question exactly?
    – Tyson
    Commented Jan 2, 2015 at 1:52
  • @Tyson update question, hope it became more understandable.
    – denys281
    Commented Jan 2, 2015 at 9:25
  • Does it work in Ubuntu if you use tmux there?
    – nohillside
    Commented Jan 2, 2015 at 9:26
  • @patrix yes in Ubuntu it works.
    – denys281
    Commented Jan 2, 2015 at 10:29
  • The key point is whether it works with tmux on Ubuntu?
    – nohillside
    Commented Jan 2, 2015 at 10:32

1 Answer 1


I actually encountered this problem recently on Ubuntu. It happens when tmux can't determine the number of colors supported by the terminal and sets it 8. If I run tmux -2, 256 colors are set and the command suggestions work as expected.

I found a detailed explanation here: https://unix.stackexchange.com/questions/118806/tmux-term-and-256-colours-support

  • same issue, but didn't work for me :( Commented Mar 10, 2019 at 14:36

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