What is the difference between executing a Bash script vs sourcing it?

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Music by Eric Matyas
https://www.soundimage.org
Track title: Puzzle Game 2 Looping

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Chapters
00:00 Question
00:22 Accepted answer (Score 592)
06:57 Answer 2 (Score 28)
08:11 Answer 3 (Score 10)
08:35 Answer 4 (Score 9)
08:58 Thank you

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Full question
https://superuser.com/questions/176783/w...

Accepted answer links:
[POSIX]: http://pubs.opengroup.org/onlinepubs/969...
https://stackoverflow.com/questions/6331...
https://askubuntu.com/questions/182012/i...
https://stackoverflow.com/questions/1835...

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Tags
#linux #bash #script

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