lsmod command on Linux (kernel modules loaded)

The lsmod command in Linux is a simple utility that formats the contents of the /proc/modules file, showing the Kernel modules that are loaded in memory. It is in /proc/modules that the Kernel maintains a list of the modules that are in operation.

Here’s an example:

$ lsmod
Module Size Used by
binfmt_misc 20480 1
tun 36864 2
ext4 724992 1
ip_tables 28672 0
aes_x86_64 20480 1
cryptd 28672 3
ipv6 524288 52
autofs4 49152 2

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