STEP 1: Three users are made by user "kali" named - "anmol", "sehaj", "prachi".
STEP 2: One group was made by user "kali" named - "C"
STEP 3: ALL three users are put in the C group, - "anmol" , "sehaj", "prachi".
STEP 4: Made one directory named "C" by "kali"
STEP 5: setfacl -m d:g:C:rwx C
STEP 6: chmod g+t C
STEP 7: su anmol
STEP 8: newgrp C //or I did change primary group of ANMOL by kali using sudo
STEP 9: touch anmol.txt
---PERMISSION DENIED---
WHY ?????????????????????
IF ANMOL IS IN GROUP "C" and I give all access to group C then why he can't make anything ? even after changing explicitly it's primary group from anmol to C