Software & Apps Linux Linux Command — lsmod Display basic information about all currently loaded modules By Juergen Haas Writer Former Lifewire writer Juergen Haas is a software developer, data scientist, and a fan of the Linux operating system. our editorial process Juergen Haas Updated February 03, 2020 Linux Switching from Windows Tweet Share Email The Linux command lsmod shows information about all loaded modules. The information displayed is identical to that available from /proc/modules. If the module controls its own unloading via a can_unload routine then the user count displayed by lsmod is always -1, irrespective of the real use count. This command reveals three columns of information: The module name, the size of the module as loaded in memory, the number of programs using it, and a comma-separated list of prograsm using the module. Options for 'Ismod' This command accepts two flags: -h, --help: Display a summary of options and immediately exit.-V, --version: Display the version of lsmod and immediately exit.