Linux system info, cheat sheet

This is a small collection of commands that can give you information on a Linux computer.
Most of this commands can be run as non-privileged user, but more information can be obtained if (and should be) run as root:
General system information:

# uname -a

List all hardware

 lshw |less

Alternative with Gtk frontend

 lshw-gtk

Process information:

# top

(Shift-M to order the list by memory use)

Memory information:

# free -m

Alternative

 cat /proc/meminfo

Swap information

swapon -s

Alternative

cat /proc/swaps

BIOS information:

# dmidecode | less

Show information about the distribution:

cat /etc/issue

Alternative

cat /proc/version

Alternativa

lsb_release -a

Show information about all PCI

lspci (or -v for verbose)

Show information about all usb devices.

lsusb (or -v for verbose)

Show information about partitions

cat /proc/partitions

Alternative

fdisk -l

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