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In iTerm2 3.1.5 on macOS High Sierra, I want to be able see more of my history as I scroll. Currently the scroll history is not enough for me. How can I increase the amount of data history I see while scrolling upwards?

I tried looking in iTerm2 preferences and changing the magic section for instant replay (on the general tab) but that's not doing it.

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You have to set the Scrollback buffer. This option is found under Profiles → Terminal.

You can either set buffer to the number of lines you want to scroll back to or check the box for "Unlimited scrollback".

Screenshot of Terminal preferences showing the Terminal section of Profiles

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  • Just wondering does it affect the performance of the application by changing that settings? Jan 4, 2020 at 4:40
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    @YashuMittal Mine is at 10k and I’ve seen no change in performance
    – Allan
    Jan 4, 2020 at 9:35

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