Command-line tool that displays as much detail about itself and its
environment as possible. It can be used as a test tool, to understand
the type of environment a process runs in, and for comparing system
The packages for RHEL 8 and RHEL 7 are in each distribution’s respective Extra Packages for Enterprise Linux (EPEL) repository. The instructions for adding this repository diverge slightly between RHEL 8 and RHEL 7, which is why they’re listed separately below.
The EPEL repository can be added to RHEL 8 with the following command: