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Scrolling up in 'less' is very slow. #603

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opened 2026-01-30 21:56:37 +00:00 by claunia · 2 comments
claunia commented 2026-01-30 21:56:37 +00:00
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Originally created by @henniss on GitHub (Mar 27, 2019).

Please use this form and describe your issue, concisely but precisely, with as much detail as possible

  • Your Windows build number: (Type ver at a Windows Command Prompt)

Microsoft Windows [Version 10.0.17763.379]

  • What you're doing and what's happening: (Copy & paste specific commands and their output, or include screen shots)

In less, scrolling down (f) is instantaneous, but scrolling up (u) is extremely slow. For example, if I open man man and hold f, it takes about 1 second to scroll to the end, but if I hold u, it will take about 10 seconds to scroll back to the top.

Behavior is similar if I run less on a remote system through SSH, although in that case scrolling up gives the appearance of being 'jerkier'.

Originally created by @henniss on GitHub (Mar 27, 2019). > Please use this form and describe your issue, concisely but precisely, with as much detail as possible > * Your Windows build number: (Type `ver` at a Windows Command Prompt) Microsoft Windows [Version 10.0.17763.379] > * What you're doing and what's happening: (Copy & paste specific commands and their output, or include screen shots) In less, scrolling down (f) is instantaneous, but scrolling up (u) is extremely slow. For example, if I open `man man` and hold `f`, it takes about 1 second to scroll to the end, but if I hold `u`, it will take about 10 seconds to scroll back to the top. Behavior is similar if I run `less` on a remote system through SSH, although in that case scrolling up gives the appearance of being 'jerkier'.
claunia commented 2026-01-30 21:56:39 +00:00
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@miniksa commented on GitHub (Mar 27, 2019):

I'm relatively certain this is a duplicate of #339. Can you (or someone) please check it with an insider build to see if it's resolved?

@miniksa commented on GitHub (Mar 27, 2019): I'm relatively certain this is a duplicate of #339. Can you (or someone) please check it with an insider build to see if it's resolved?
claunia commented 2026-01-30 21:56:39 +00:00
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@ghost commented on GitHub (May 22, 2019):

This issue has been automatically marked as stale because it has been marked as requiring author feedback but has not had any activity for 4 days. It will be closed if no further activity occurs within 3 days of this comment.

@ghost commented on GitHub (May 22, 2019): This issue has been automatically marked as stale because it has been marked as requiring author feedback but has not had any activity for **4 days**. It will be closed if no further activity occurs **within 3 days of this comment**.
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Reference: starred/terminal#603
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