Listing Hardware Specs in the Shell

Just recently found a nice compilation of shell command, listing your computers specs in plain text:

List of hardware:

Linux Kernel configuration (which version of Linux are you using):
uname -a

Hardisk and memory available and used:
free -m

Very nice: Checking the buffered reading speed of your harddisk or whatever device attached:
sudo hdparm -t /dev/sda
/dev/sda is my harddisk in this example and produced 60Mb/s three times faster than my USB-disk /dev/sdb.

To find the names /dev/WhatName of the devices:
sudo fdisk -l

Checking the cache reading speed, which represents well more reading from RAM then from the specified device:
sudo hdparm -T /dev/sda

Checking the write speed (from Ubuntuforums)
dd count=1k bs=1M if=/dev/zero of=/media/HD2/test.img


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