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BEFORE DISABLE
## check if fat kernel module is currently loaded, no output => not loaded
[root@rh6 ~]# lsmod | grep fat
## test if can enable
[root@rh6 ~]# modprobe fat
# confirm that it is loaded
[root@rh6 ~]# lsmod | grep fat
fat 55184 0
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DISABLE
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## remove the module if it was already loaded
[root@rh6 ~]# modprobe -r fat
## confirm it is currently not loaded, i.e. lsmod output does not have that module
[root@rh6 ~]# lsmod | grep fat
## Disable it by telling modprobe to run /bin/true instead of actually inserting the fat module to the kernel when it tries to
## install that module
[root@rh6 ~]# echo "install fat /bin/true" > /etc/modprobe.d/fat.conf ## the .conf filename can be anything you choose.
[root@rh6 ~]# cat /etc/modprobe.d/fat.conf
install fat /bin/true
## Try to insert the module to the kernel
[root@rh6 ~]# modprobe fat
## confirm it was not loaded, i.e. lsmod output does not have that module
[root@rh6 ~]# lsmod | grep fat
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