$ whatis env

env env (1) - run a program in a modified environment

env env (1) - set environment for command invocation

Examples:

1. printenv PATH
2. printenv PWD
3. env

Please click on man env to see the Manual Page for this command.

In addition, I recommand you should read the manual pages for related commands below:

man printenv to see the Manual Page for this command.

Please click on " env in PDF " format.

Please click on " env in HTML " format.

Please click on " env in PDF " format.