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I have a program named "mem" and it takes one arg. If I run it by ./mem 1, all things went well. But when I tried to run "mem" multiple times with different args like this:

./mem 1 & ; ./mem 2 &;

I got an error:

-bash: syntax error near unexpected token `;'

So what's the problem and how to fix it? Thanks.

marked as duplicate by Jeff Schaller, ilkkachu bash Feb 7 at 15:13

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