If there is a need for user of a script to react when task is ready (or failed), there are some options: keep eye on script, check from time to time, get notification or play a sound.

Depending on a system and configuration, notifications and sound may be easier or harder to use, but there is quite unified and easy option to use default system bell.

bash

echo -e "\07"

Simple. If needed just wrap it into script or function.

CMD (Windows)

Save it as a script

echo •

If coping won’t work. Instead of • press left ALT and on numeric keyboard type 7 (ALT Codes). When using BASH, -e switch allows translating \07 into char that rings a bell, but on Windows ALT Codes does the work. More about ALT Codes at dedicated post: »HERE«.

If no script is needed and still information on command end is needed, then press CTRL + G ring the bell.

https://discover.hubpages.com/technology/How-to-Make-a-CMD-Beep-Sound-With-Your-Computer https://superuser.com/questions/969080/how-to-ring-the-system-bell-from-command-line
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