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Linux: compound commands

command1 ; command2 ; command3

command1 is executed, then command2, and then command3

command1 && command2 && command3

command2 is executed only if command1 run successfully (exit code is 0), command3 is executed only if command2 run successfully (exit code is 0)

command1 || command2 || command3

command2 is executed only if command1 exit code is 0 (failure), command3 is executed only if command2 exit code is 0 (failure)
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