Unicode Key Board Activating in Windows(xp,7etc)

• Click Start->Settings ->Control Panel
• or Click Start->Control Panel 
• Select Regional and Language Options
• Get a new window then select languages
• tick the install file for complex script and right to left language( including that)
• then click apply insert Operating System(Xp or Windows 7)  disc
• then click Ok 
• restart system 
• After restart Click Start->Control Panel 
• Select Regional and Language Options
• Get a new window then select languages
• Then  click Details... button
• We get another window 
• click add button and select malayalam options click ok
• click Key Settings button also press ok 
• close current window then open wordpad then test keyboard
• press left alt+shift to change keyboard english to malayalam

Ubuntu 9.04 root user activate

• Click Applications -> Accessories -> Terminal
• Type sudo vi /etc/gdm/gdm.conf
• Enter current user password
• Find 'Allowroot'
• change Allowroot=false to Allowroot=true 
• Esc +:wq for saving that
• Then set root password
• sudo passwd root
• type root password