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### 4.3 Getting output

The output of the back end methods (Back end methods) is stored in special buffers, so that these methods must tell the status of the execution.

Variable: pgg-errors-buffer

  The standard error output of the execution of the PGP command is stored here.

Variable: pgg-output-buffer

  The standard output of the execution of the PGP command is stored here.

Variable: pgg-status-buffer

  The rest of status information of the execution of the PGP command is stored here.