Ptt 大爆卦 | CMD set echo - 前往 https://arstechnica.com/gadgets/2021/09/command-line-wizardry-part-two-variables-and-loops-in-bash/

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Command line wizardry, part two: Variables and loops in Bash

In our original Bash session, we set the variable hello to equal "Hello, world!" and access it successfully with the echo command.

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