Support calls are important and often satisfying in the end, but the act of clear communication can be arduous for everyone involved. If you’ve ever been on a support call, you’ve probably spent several minutes spelling out even the shortest commands and explaining in detail where the spaces and returns fall. While it’s often easier to just seize control of a user’s computer, that’s not really the best way to educate. What you might try instead is sending a user a screen recording, but one that they can copy commands from and paste into their own terminal.

It does not actually execute any commands itself, it merely displays them, with a file size far smaller than an MP4 video file.

See https://opensource.com/article/22/1/record-terminal-session-asciinema

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