“su” -Changes your terminal login to root
“sudo” -Allows you to execute a file as root while logged in as a user
“lshw” -Lists Hardware. Recommended to run as root
“dmesg” -Print or control the kernel ring buffer. Usually works as user or root
“ls” -Can do more than the 'dir' in dos
“lsusb” -Lists detected usb devices.
“lspci” -Lists detected pci devices
“lsmod” -Lists modules loaded on your system
“grep” -Filters information from some of the above commands
“fdisk -l” -Lists all current drives. (note -l is lowercase -L)
“uname -r” -Gives you your current kernel version (useful information)
use 'man (command)' for help and advanced uses
'q' quits man
Good Luck.