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Show loaded kernel modules

Display the loaded kernel modules

In order to prevent the kernel from becoming bloated, Linux does not include programs other than those that are minimally necessary for operation in the kernel, but allows them to be added or detached depending on the environment.
The things that can be added or detached in this way are called "modules," and typical ones include SCSI adapters, PC cards, and device drivers.
The command to display what modules are currently installed is the "lsmod" command.
You will need root privileges to execute this command.

[root@Lion ~]# lsmod
Module Size Used by
nfsv3 43720 1
nfs_acl 12837 1 nfsv3
rpcsec_gss_krb5 35549 0
auth_rpcgss 59415 1 rpcsec_gss_krb5
nfsv4 583067 0
dns_resolver 13140 1 nfsv4
nfs 261760 3 nfsv3,nfsv4
lockd 93952 2 nfs,nfsv3
grace 13515 1 lockd
fscache 64984 2 nfs,nfsv4
binfmt_misc 17468 1
nfnetlink_queue 18197 0
nfnetlink_log 17892 0
nfnetlink 14490 2 nfnetlink_log,nfnetlink_queue
bluetooth 548688 0
rfkill 22391 1 bluetooth
nf_log_ipv4 12767 2
nf_log_common 13317 1 nf_log_ipv4
xt_LOG 12690 2
iptable_filter 12810 1
sunrpc 353352 20 nfs,rpcsec_gss_krb5,auth_rpcgss,lockd,nfsv3,nfsv4,nfs_acl
intel_powerclamp 14419 0
coretemp 13444 0
iTCO_wdt 13480 0
intel_rapl 19542 0
iTCO_vendor_support 13718 1 iTCO_wdt
iosf_mbi 15582 1 intel_rapl
ipmi_ssif 29487 0
gpio_ich 13476 0
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