ls* Commands Are Even More Useful Than You May Have Thought

Information is copied from
http://www.cyberciti.biz/open-source/command-line-hacks/linux-ls-commands-examples/

lsscsi
list SCSI devices

lsblk
list block devices

lsb_release
list linux distribution and release information

lsusb
list usb devices

lsblk
list block devices


lscpu
list cpu information

lspci
list PCI devices


lshw
list information about hardware configuration

lsof
list open files, network ports, active process, ...

lsattr
list extended file attributes