MacOS - Kernel Extensions

> ll /System/Library/Extensions/ |head
total 0
drwxr-xr-x@ 3 root  wheel   96 May 13 00:29 AFKACIPCKext.kext
drwxr-xr-x@ 3 root  wheel   96 May 13 00:29 AFTK_Kext.kext
drwxr-xr-x@ 3 root  wheel   96 May 13 00:29 AGXFirmwareKextG13GRTBuddy.kext
drwxr-xr-x@ 3 root  wheel   96 May 13 00:29 AGXFirmwareKextG13XRTBuddy.kext
drwxr-xr-x@ 3 root  wheel   96 May 13 00:29 AGXFirmwareKextG14GRTBuddy.kext
drwxr-xr-x@ 3 root  wheel   96 May 13 00:29 AGXFirmwareKextG14PRTBuddy.kext
drwxr-xr-x@ 3 root  wheel   96 May 13 00:29 AGXFirmwareKextG14XRTBuddy.kext
drwxr-xr-x@ 3 root  wheel   96 May 13 00:29 AGXFirmwareKextRTBuddy64.kext
drwxr-xr-x@ 3 root  wheel   96 May 13 00:29 AGXG13G.kext

/Library/Apple/System/Library/Extensions> ll
total 0
drwxr-xr-x  3 root  wheel  96 May 13 00:29 AppleKextExcludeList.kext
drwxr-xr-x  3 root  wheel  96 May 13 00:29 AppleMobileDevice.kext

stoege@play224:~> ll /Library/Extensions/ |head
total 0
drwxr-xr-x@  3 root  wheel    96 May 27 14:11 CH34xVCPDriver.kext
drwxr-xr-x@  3 root  wheel    96 May 27 14:17 Dropbox.kext
drwxr-xr-x   3 root  wheel    96 May 13 00:29 HighPointIOP.kext
drwxr-xr-x   3 root  wheel    96 May 13 00:29 HighPointRR.kext
drwxr-xr-x@  3 root  wheel    96 May 27 14:11 HoRNDIS.kext
drwxr-xr-x@  3 root  wheel    96 May 27 14:18 SiLabsUSBDriver.kext
drwxr-xr-x@  3 root  wheel    96 May 27 14:11 SoftRAID.kext
drwxr-xr-x@ 15 root  wheel   480 May 27 14:10 Unsupported
drwxr-xr-x@ 33 root  wheel  1056 May 27 14:26 backup