9 ** Graphics card.

    10 

    11 glxinfo - details about OpenGL, the Xserver, and your graphics card

    12 glxinfo | grep direct - do you have direct 3d rendering?

    13 glxinfo | grep vendor - graphics card vendor

    14 lspci | grep VGA - specific graphics card model

    15 glxgears - a simple 3d benchmark, prints frame rate to the terminal

    16 xrandr - supported display resolutions

    17 

    18 ** Audio.

    19 

    20 lspci | grep Audio - audio controller

    21 aplay --list-devices - more audio device information

    22 

    23 ** Software versions.

    24 cat /etc/issue - current distribution and version

    25 apt-cache showpkg packagename - packagename’s version and dependencies

    26 uname -r - Linux kernel version

    27 uname -a - all kernel details

    28 

    29 ** Networking.

    30 

    31 lspci | grep Ethernet - Ethernet controllers

    32 ifconfig - networking interfaces, IP addresses, and more

    33 

    34 ** Processor.

    35 

    36 cat /proc/cpuinfo - all processors, clock speeds, flags, and more

    37 cat /proc/loadavg - processor load average for the last 1, 5, and 15 minutes

    38 top - press C key to sort processes by CPU usage

    39 

    40 ** Memory.

    41 

    42 cat /proc/meminfo - amount of RAM and swap, and how much is being used for what

    43 free -m - total, used, and free memory shown in MB

    44 top - press M key to sort processes by memory usage

    45 

    46 ** Hard disks.

    47 

    48 df -H - partitions, as well as their mount-points and usage in GB

    49 sudo fdisk -l - all partitions, their device names, and positions on disk

    50 

    51 ** USB devices.

    52 

    53 lsusb - USB buses and attached devices

    54 

    55 ** Even more.

    56 

    57 lshal -m - monitor for hardware changes

    58 lspci - all PCI devices

    59 hwinfo --short (install from package hwinfo) - overview of all hardware, as well as more detailed info

    60 lshw - another program for listing hardware

    61 lshw -html | w3m -T text/html - lists hardware with HTML output in the w3m web browser

    62 uptime - current time elapsed since last reboot, users, and load average

    63