Kernel upgrade

[Padiyath Sreekumaran <Kumar.Padiyath@psi.ch>]

  Hello,
   I am new to Linux. I just installed Debian Linux on a
   Digital Personal WorkStation 433au. My kernel version is 

 #uname -a
Linux lnsa14 2.2.20 #2

   I want to upgrade the kernel to the latest version. How I have to
proceed?
   From where I can get the kernel for upgrade? What commands I have to
execute?
   Whether I have to compile the kernel on my machine?

  Where I can get KDE, Mozilla for debian?

  Where I find a Fortran Compiler for debian? Is it possible to get HP
fortran?

   Regards,
   Kumar
    
   
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Padiyath Sreekumar       |   Tel: +41.56.310.3643
Paul Scherrer Institut   |   email: kumar.padiyath@psi.ch
AIT                      |   Office: WHGA/U132 
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