Dave,
The following link contains useful info about this subject: http://www.bstconsultants.com/tsug/Dec99/REDUCING_THE_SIZE_OF_THE_LOG_FILE.htm

HTH
>Hi,
>
>I have a little problem. I have a transaction log with 3 000 mb...
>
>But I just have 50mb used...How can I shrink the log to 100mb...
>
>Does exist a command to do that ?
>
>Thank in advance.
>
>Dave Sonier
>Technologies Nter