Bourne shell and Python scripts for GNU/Linux and Unix.

This project has been tested on the following platforms:

+===========+=================+=============================+
| OS Family | Distribution    | OS Version (OS Ports)       |
+===========+=================+=============================+
| GNU/Linux | Debian          | 10 (amd64, s390x)           |
+-----------+-----------------+-----------------------------+
| GNU/Linux | Debian          | 11 (amd64)                  |
+-----------+-----------------+-----------------------------+
| GNU/Linux | Fedora          | 35 (x86_64)                 |
+-----------+-----------------+-----------------------------+
| GNU/Linux | openSUSE Leap   | 15.2 (x86_64)               |
+-----------+-----------------+-----------------------------+
| GNU/Linux | openSUSE Leap   | 15.3 (x86_64)               |
+-----------+-----------------+-----------------------------+
| GNU/Linux | Raspbian        | 10 (armhf)                  |
+-----------+-----------------+-----------------------------+
| GNU/Linux | Red Hat (RHEL)  | 7.9 (x86_64)                |
+-----------+-----------------+-----------------------------+
| GNU/Linux | Red Hat (RHEL)  | 8.5 (x86_64)                |
+-----------+-----------------+-----------------------------+
| GNU/Linux | Rocky           | 8.5 (x86_64)                |
+-----------+-----------------+-----------------------------+
| GNU/Linux | Ubuntu          | 20.04 LTS (x86_64)          |
+-----------+-----------------+-----------------------------+
| GNU/Linux | Ubuntu          | 22.04 LTS (arm64, x86_64)   |
+-----------+-----------------+-----------------------------+
| Unix      | Apple macOS     | 12.1 (arm64)                |
+-----------+-----------------+-----------------------------+
| Unix      | FreeBSD         | 12.2 (amd64)                |
+-----------+-----------------+-----------------------------+
| Unix      | FreeBSD         | 13.0 (amd64)                |
+-----------+-----------------+-----------------------------+
| Unix      | NetBSD          | 9.1 (amd64)                 |
+-----------+-----------------+-----------------------------+

The various OS ports have been tested on the following processors:

+===========+====================================+=========+=========+
| CPU ISA   | CPU Vendor and Microarchitecture   | 32 bit  | 64 bit  |
+===========+====================================+=========+=========+
| ARMv8.4-A | Apple M1                           | N/A     | arm64   |
+-----------+------------------------------------+---------+---------+
| ARMv8-A   | ARM Cortex-A53                     | armhf   | arm64   |
+-----------+------------------------------------+---------+---------+
| x86-64    | Intel Silvermont, Kaby Lake,       | N/A     | amd64/  |
|           | and Coffee Lake                    |         | x86_64  |
+-----------+------------------------------------+---------+---------+
| z/Arch    | IBM z900 via Hercules emulator     | N/A     | s390x   |
+-----------+------------------------------------+---------+---------+