files under /proc explained

http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/3/html/Reference_Guide/s1-proc-topfiles.html

/proc/cpuinfo explained with respect to hyperthreading

http://www.richweb.com/cpu_info

virtualbox share folders ubuntu 11.10 host windows 7 guest

I am running windows 7 as virtual machine on my ubuntu laptop using virtualbox software. I wanted to share my ubuntu folders with virtual windows 7.

steps to do it:

1. install samba on your ubuntu.
2. right click on the folder to share from ubuntu.
3. click on "sharing options"
4.check all boxes on new pop up window.
5. open virtual windows 7 in non-full-screen mode.
6. on the left top corner you will find "devices" drop down menu
7. under this menu click "shared folders"
8. on right side of the new window, click add folder option(+ symbol)
9. choose the folder you want to share from ubuntu.
10. restart your virtual windows 7.
11. when restarted, you should be able to see the shared folder in your windows 7 "computer" folder.

NOTE: one must prerequisite for above to work is you should have installed guest additions on your virtual machine.

linux taskset command error "No such file or directory"

command: taskset -c 3,3 -p
output: taskset: executing -p failed: No such file or directory

solution:
taskset -c -p 3,3  6539

ubuntu 11.10 compiz 3d transparent cube with cairo dock (mac theme)

this is how my laptop desktop looks with Ubuntu 11.10 OS.

what made it look like above:
install compiz
install cairo dock
select mac theme for cairo dock
select cube with 4 workspace on compiz as desktop
i have chosen transparent cube.
choose whichever image(see sky in the background) you want as skydrome under cube option in compiz

undefined reference to `WIFEXITED' WEXITSTATUS...

include header file wait.h

ubuntu button keys

Button 1: The 'Left-Click' mouse button
Button 2: The 'Middle-Click' mouse button, or pressing down on the scroll wheel
Button 3: The 'Right-Click' mouse button
Button 4: Scrolling up one increment on the mouse wheel
Button 5: Scrolling down one increment on the mouse wheel
Button 6: Usually the 'back' button or scrolling one increment left on your mouse wheel
Button 7: Usually the 'forward' button or scrolling one increment right on your mouse wheel
Buttons 6-9 can differ depending on the type of mouse you have. Some mice may not even have these buttons at all!