I really hate the way you give answers .
SmoothCriminal , that was a very smart answer . You should'va kept your mouth shut . If you don't know how to answer his question , don't post anything . Yeah , it's very ELITE of you to give such answers .
HALEN , i don't know if it's possible to only log the command line . Check the following links :
This one is very simple to setup , you only need python installed :
http://sourceforge.net/projects/pykeylogger/
This one works too , but i preffer the one written in python
http://sourceforge.net/projects/elogger/