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Linux rmmod Command

Linux Command Manual

The Linux rmmod (short for remove module) command is used to remove modules.

Executing the rmmod command allows you to remove unnecessary modules. The Linux operating system kernel has a modular design, so when compiling the kernel, it is not necessary to include all functionalities. You can compile these functionalities into separate modules and load them individually as needed.

Syntax

rmmod [-as][module name...]

Parameters:

Examples

Display installed modules

# lsmod
Module         Size Used by
cramfs         39042 1 
nfsd         238935 11 
lockd         64849 1 nfsd
nfs_acl         2245 1 nfsd
auth_rpcgss      33735 1 nfsd
sunrpc        193181 10 nfsd,lockd,nfs_acl,auth_rpcgss
exportfs        3437 1 nfsd
xt_TCPMSS        2931 0 
xt_tcpmss        1197 0 
xt_tcpudp        2011 0 
iptable_mangle     2771 0 
ip_tables        9991 1 iptable_mangle
x_tables        14299 4 

……omitted partial results
pppoe          8943 0 
pppox          2074 1 pppoe
binfmt_misc       6587 1 
snd_ens1371      18814 0 
gameport        9089 1 snd_ens1371
snd_ac97_codec    100646 1 snd_ens1371
ac97_bus        1002 1 snd_ac97_codec
snd_pcm_oss      35308 0

Uninstall module

# rmmod -v pppoe //Uninstall pppoe module
Checking ppoe for persistent data

Install module

# insmod -v pppoe >1.log //Install module

~# tail -b 30 1.log //Display file information

Linux Command Manual

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