HADOOP-13940. Document the missing envvars commands (Contributed by Yiqun Lin via Daniel Templeton)
(cherry picked from commit d432173737a532b7106682116013b751ba162ff0)
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@ -158,6 +158,12 @@ Usage: `hadoop CLASSNAME`
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Runs the class named `CLASSNAME`.
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### `envvars`
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Usage: `hadoop envvars`
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Display computed Hadoop environment variables.
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Administration Commands
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-----------------------
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@ -140,6 +140,12 @@ Prints the version.
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Usage: `mapred version`
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### `envvars`
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Usage: `mapred envvars`
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Display computed Hadoop environment variables.
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Administration Commands
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-----------------------
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@ -162,6 +162,12 @@ Usage: `yarn version`
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Prints the Hadoop version.
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### `envvars`
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Usage: `yarn envvars`
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Display computed Hadoop environment variables.
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Administration Commands
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-----------------------
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