23 lines
463 B
Markdown
23 lines
463 B
Markdown
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# conditions.
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## one after another.
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```bash
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foo; bar # bar will run after foo finishes.
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```
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## AND.
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```bash
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foo && bar # bar will only run if foo succeeded.
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foo && { bar1; bar2; } # both will run in foo succeeded.
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```
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## OR.
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```bash
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foo || bar # bar will only run in foo failed.
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foo || { bar1; bar2; } # both will run if foo failed.
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```
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## one at the same time with another.
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```bash
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foo & bar # they will both run at the same time.
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```
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