Improve cross-platform compatibility and add comprehensive testing for reliable system information gathering#1

Copilot wants to merge 4 commits intomainSysQuirrel/osinfo-bash-script:mainfrom

copilot/fix-098fb8ff-667d-4c15-83ec-937cca464571SysQuirrel/osinfo-bash-script:copilot/fix-098fb8ff-667d-4c15-83ec-937cca464571Copy head branch name to clipboard