Device Drivers

What are the two ways that drivers can be loaded on a Linux system?

Kernel modules or compiling directly into the kernel

What is the central connecting device in bluetooth called? What about the connecting devices?

The master, Slaves

What directory has info on processes and hardware?

/proc

What directory has info about installed hardware?

/sys

What command do you use to display info about your HDD?

hdparm /dev/*

What commands do you use to list info about you SCSI controllers?

sg_scan, sginfo -l

What command do you use to list all USB devices in your system?

lsusb

What command do you use to see an overview of all system hardware?

hwinfo --*

What command do you use to list all PCI devices connected to the system? What switch do you include to see all kernel modules associated with the connections?

lspci, lspci -k

What command do you use to list info about your CPU?

lscpu

What command do you use to list info about your memory?

lsmem

What two directories contain CPU and memory info?

/proc/cpuinfo, /proc/meminfo

What command lists a comprehensive list of all hardware available to the kernel

lshw

What command lists a comprehensive list of all hardware available to the BIOS/UEFI?

dmidecode

Where are kernel modules stored?

/lib/modules/kversion/kernel/drivers

Where is the directory that stores info about each kernel module on the system?

/sys/module