In order to see the list of currently loaded Modules, use the lsmod command:
[choo@simey ~]$ /sbin/lsmod Module Size Used by Not tainted ppp_synctty 6368 0 (unused) ppp_async 8032 1 ppp_generic 23692 3 [ppp_synctty ppp_async] slhc 6220 0 [ppp_generic] ipt_LOG 4384 19 (autoclean) ipt_TCPMSS 3168 1 (autoclean) iptable_nat 19668 1 (autoclean) ip_conntrack 20268 1 (autoclean) [iptable_nat] iptable_filter 2464 1 (autoclean) ip_tables 13632 6 [ipt_LOG ipt_TCPMSS iptable_nat iptable_filter] vfat 11804 1 (autoclean) fat 36184 0 (autoclean) [vfat] ext3 64800 3 (autoclean) jbd 47924 3 (autoclean) [ext3] emu10k1 60832 1 ac97_codec 12256 0 [emu10k1] sound 69260 0 [emu10k1] soundcore 6212 7 [emu10k1 sound] mousedev 5024 1 hid 20608 0 (unused) input 5696 0 [mousedev hid] ehci-hcd 16864 0 (unused) usb-uhci 24292 0 (unused) usbcore 71104 1 [hid ehci-hcd usb-uhci]Originally written by guy keren