Linux kernel

ls /lib/modules/$(uname -r)
build   modules.alias      modules.builtin      modules.dep      modules.devname  modules.softdep  modules.symbols.bin
kernel  modules.alias.bin  modules.builtin.bin  modules.dep.bin  modules.order    modules.symbols  source

$  ls /lib/modules/$(uname -r)/kernel/drivers/
acpi   bluetooth  dax      firewire  hv         infiniband  media     mmc     nvme     platform  scsi     thermal      uwb     w1
ata    cdrom      dca      firmware  hwmon      input       memstick  mtd     nvmem    power     spi      thunderbolt  vfio    watchdog
atm    char       devfreq  gpio      hwtracing  isdn        message   net     parport  powercap  ssb      tty          vhost   xen
bcma   cpufreq    dma      gpu       i2c        leds        mfd       nfc     pci      pps       staging  uio          video
block  crypto     edac     hid       iio        md          misc      nvdimm  pcmcia   ptp       target   usb          virtio