LG TVs using webOS support file systems ext2, ext3 and btrfs ?

I want buy an LG TV and in details have webOS use Linux code.
Thus being webOS have support to Linux file system ext2 , ext3 and btrfs allowing usb pen driver and others disks formated with Linux filesystems so allowing read video files for playback ?

Thanks for reading my question.
Have an nice week.

We do not provide access the webOS TV system. And for security reasons, apps cannot access the USB. Sorry for not being helpful.