Jul 192011
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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Many of those commands and their parsed output collected in this bash script.
http://sourceforge.net/projects/sysinforeport/