Explore the emulator
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This page is oudated. Just type "help" and press enter when the operating finished booting, You will see a menu and a list of several programs, which are available
First wait until the operating system finished booting. Then press
Image with graphic demos
Get information about the system
To know what you are running, type the following command:
# uname -a
More detailed information can be retrieved from the
# cat /proc/cpuinfo
shows the details about the cpu.
shows all running processes. Stop this program by pressing
Fun with the framebuffer
First try to find out the details about the framebuffer by the software
fbset. There is a graphic demo demo available called
fbdemo. Close the program by pressing
CTRL+c. You can fill the buffer manually with random data by executing
# dd if=/dev/urandom of=/dev/fb0
There are some demos available from the directfb package. Try
ts_test(you should check the touchscreen support)
Close the programs by pressing
Close the programs by pressing
Some games are available. Try
Close the program by pressing
Use the arbitrary precision calculator
bc -l you can open a calculator.
2^1000 # to calculate a big power or 4*a(1) # to calculate Pi.
Play Monkey Island
Yes, by accessing the demo website you have downloaded the LucasArts adventure Monkey Island. But don't worry it is just the demo.
You can run it by using the command
scummvm and then pressing start. You have to wait a while until you can play.
Destroy the system
Ever wanted to see what happens if you execute
rm -rf /? Try it in the emulator. It's safe.
Restore the system
Hold on, that's not the end of the world. Some built in bash commands are still working like
set. By writing some scripts you can restore some tools like ls and cat.
Take a look at http://lambdaops.com/rm-rf-remains
Image with the Gnu C compiler
Compile "hello world" program
gcc hello.c -o hello.
After a few seconds, the compilation finished any can run the program vie
There are several text editors available like
Compile framebuffer demo
gcc -O3 fbdemo.c -o fbdemo to compile the fbdemo which is the same as in the first image.
Compile Frotz to run a little text adventure
make (wait around 10 minutes)
You can finish the text adventure within 15-30 minutes.
Image with X11
glxgears is already running when the X server is started. You an start
xterm by pressing somewhere on the white background.
Image with Wayland
There is not so much to do. Three programs are available which you can start by pressing the icons on top.
Image with network tools
During the boot process, you are connected to another server which gives you access to the internet. If you cannot retrieve an ip address restart the whole website. There seems to be a timeout for websocket connections.
Open a website via links
Just in case you like browser. The image is equipped with a web browser.
links -g news.ycombinator.com
links -g www.google.com
Connect to another machine via telnet
Open the emulator in two different windows. You should retrieve two different ip addresses. You can check your ip address via the command
Now telnet to the other computer
telnet [other ip address]. The login name is
root and the password is just blank.