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Separated by semicolons, indicating that the command will be executed regardless of whether it is executed successfully or not

[root@localhost /] # Friday, May 03, date;date;date2019 09:08:37 Friday, May 03, CST2019, Friday 09:08:37, May 03, CST2019, Friday, May 03, Friday, 09:08:37 CST

The & & symbol is separated to indicate that the command is executed in turn, and if one fails, it exits execution, similar to break in a loop.

[root@localhost /] # Friday, May 03, date&& data&&date2019, 09:09:03 CST-bash: data: command not found

| | separated by symbols, it means that the command is executed sequentially. As long as one of the commands is executed successfully, the execution is exited.

[root@localhost /] # date | | date | | datedate on Friday, May 3, 2019, 09:09:24 CST [root@localhost /] # data | | date | | ls-bash: data: command not found. Friday, May 3, 2019, at 09:09:42 CST.

These are the details of how to execute multiple commands at the same time on the linux command line. Please pay more attention to other related articles!

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