crack windows password

how to crack windows password
1. use cain&abiel or LC5
2 or use BT live CD/Windows Restore CD and dump SAM and system hive
c:\windows\system32\config

3. then run the rcrack tool
http://project-rainbowcrack.com/

change password in linux

how to change the passoword?

$ passwd
this will change the current user's password

OR 

$ passwd <username>

mailslot netbios

mailslot has some connection with netbios. netbios should be turned on to work with them.

MailSlots uses NETBIOS names and if you don't have it bound to the NIC for NETBIOS over TCP/IP operations then error can occur. Check to see if VISTA has it off.

check ubuntu version

To check which version of Ubuntu you are running, click System -> About Ubuntu. The first line of the page that loads will tell you the version number, for example Ubuntu 10.04 LTS.

Check the list of Ubuntu versions to see how old your version is and whether an upgrade is available.

Checking with the command line
To check your Ubuntu version using the command line:

Open a Terminal (Applications -> Accessories -> Terminal).
Type lsb_release -a and press Enter.
The Ubuntu version will be displayed on the screen.