here is the link to the post i used to fix my tab key https://answers.microsoft.com/en-us/windows/forum/all/auto-fill-using-tab-key-in-cmd-not-working/02ffea80-3906-40ed-a29e-7d9807e77fae
This the method that I used to root the lgg6 all credits go to him and all his hard work to be able to get TWRP on the lgg6 h872
ROOT] H872 (up to and including 20g) by runningnak3d
These are the files I guess to repair my laf partition on my lgg6( after flashing twrp to recovery partiton.)
Flashable Oreo ROM H872 20A (20g Update!) by immns
Go to this web address to find the dm-noverify-force encryption-quota file look under android projects then scroll down to where u see the dm no verify file
https://zackptg5.com/android.php