rmmod --version (return code: 0)
kmod version 22
-XZ -ZLIB -EXPERIMENTAL
rmmod --help (return code: 0)
Usage:
rmmod [options] modulename ...
Options:
-f, --force forces a module unload and may crash your
machine. This requires Forced Module Removal
option in your kernel. DANGEROUS
-s, --syslog print to syslog, not stderr
-v, --verbose enables more messages
-V, --version show version
-h, --help show this help