Revolution OS is a English documentary movie, about Linux based OS,
directed by Mr J.T.S.Moore. The DVD contains sub-titles for No .of
Languages. If you want to contribute for any of the Indian Language
sub-titles, Kindly contact Mr Shakthi “cyborg4k at yahoo dot com”.

One Day One Command
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printenv – Print All/Part of Environment

Summary:

`printenv’ prints environment variables with its Name and Value.

Examples:

$ printenv — Print all Env variables and its value.

$ printenv HOSTNAME — Print HOSTNAME value.

$ printenv SHELL TERM — Print SHELL and TERM values.

Read: man printenv