USB

Nos vamos al kernel:

Device Drivers -> SCSI device support ->
<M> SCSI device support
[*] legacy /proc/scsi/ support
<M> SCSI disk support

Device Drivers -> USB support ->
<M> Support for Host-side USB
[ ] USB verbose debug messages
[*] USB device filesystem
<M> EHCI HCD (USB 2.0) support
<M> UHCI HCD (most Intel and VIA) support
<M> USB Mass Storage support
[ ] USB Mass Storage verbose debug
[*] Datafab Compact Flash Reader support (EXPERIMENTAL)
[*] Freecom USB/ATAPI Bridge support
[*] ISD-200 USB/ATA Bridge support
[*] Microtech/ZiO! CompactFlash/SmartMedia support
[*] USBAT/USBAT02-based storage support (EXPERIMENTAL)
[*] SanDisk SDDR-09 (and other SmartMedia) support (EXPERIMENTAL)
[*] SanDisk SDDR-55 SmartMedia support (EXPERIMENTAL)
[*] Lexar Jumpshot Compact Flash Reader (EXPERIMENTAL)
[*] Olympus MAUSB-10/Fuji DPC-R1 support (EXPERIMENTAL)
[ ] The shared table of common (or usual) storage devices
<M> USB Human Interface Device (full HID) support
[*] HID input layer support

Ahora vamos cargando los módulos principales: usbcore, uhci_hcd

Para pen drive necesitamos cargar, usb_storage, scsi_mod y sd_mod, la enganchar el pen drive se reará un dispositivo scsi, que puede ser sda, sdb. Para verlo dmesg.

Ya sólo falta montar el dispositivo: mount /dev/sda1 /mnt/pendriver

NOTA: Los pendriver normalmente están con un sistema de fichero FAT.