If you like those, see also, off the top of my head and in no particular order: system_profiler, ioreg[1], networksetup, afconvert, sips, osascript, lsregister[2], apfs.util[3], and, from Xcode, GetFileInfo and SetFile.
All have man pages except lsregister; lsregister with no arguments shows help (for context, lsregister is useful when file icons / associations get messed up).
[1] A GUI version is also available as IORegistryExplorer.app in the Xcode "Additional Tools" packages available from
https://developer.apple.com/download/all/
(registration required)
[2] /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/LaunchServices.framework/Versions/A/Support/lsregister
[3] /System/Library/Filesystems/apfs.fs/Contents/Resources/apfs.util