You need to use lsmod program which show the status of loaded modules in the Linux Kernel. Linux kernel use a term modules for all hardware device drivers. Please note hat lsmod is a trivial program which nicely formats the contents of the /proc/modules , showing what kernel modules are currently loaded.

How do I check if a Linux module is loaded?

To list all currently loaded modules in Linux, we can use the lsmod (list modules) command which reads the contents of /proc/modules like this.

How do you see whether a module is loaded or no?

Under Linux use the file /proc/modules shows what kernel modules (drivers) are currently loaded into memory.