PGP Encryption for File To file Scenario

Hi Expert.

Could you please let me know the step by step process for PGP encryption.

wat software we need to install at the OS level and where we have to install.

Kindly send let me know the total procedure for PGP encryption.

Note: My scenario is that file to file scenario.

there is no mapping in my scenario.

could you please tell me the Command line also.

Regards,

Prabhakar.A