tldp.org/LDP/Mobile-Guide/html/index.html
raspberrypi.org/documentation
badblocks blkid dmesg fdisk hwinfo ifconfig iwconfig lsblk lshw mount lvm sync tune2fs
/var/log/messages
# badblocks -v /dev/sda
# blkid /dev/sda1
$ cat /sys/devices/virtual/thermal/thermal_zone0/temp
# fdisk -l
# hwinfo --short | less
# hwinfo --disk
# ifconfig eth0
# iwconfig
# lshw -short | less
$ mount | column -t
# mount -t tmpfs -o size=2048M tmpfs /media/ramdisk
# mount -o loop /home/user/iso/xyz.iso /mnt/
# smartctl -i /dev/sda
$ sync
# tune2fs -l /dev/sda2 | less
USB
# clear; fdisk -l; lsblk -l; echo; dmesg | tail; echo; tail -f /var/log/messages
LVM
# apt-get install lvm2
$ apt-cache show lvm2
$ man lvm
# fdisk -l