Open Source Software Shortcuts for Doing More with ‘Less’

“If you spend any time at all on the command line, you almost
certainly use less (more’s backward-scrollable cousin) on a very
regular basis. Like me (until recently), however, you may never
have taken the time to learn many of the long list of useful
commands and shortcuts with which less is provided. Here are a few
commands that will help you get more value out of less.

* u and d: Scroll up (backward) or down (forward) half a screen,
rather than the full screen provided by SPACE and b.”

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