On each activation of a particular process, the log file is extended.

Your computer is full of log files that provide evidence of what you've been doing.

Here are a few places where log files can be found:

Maybe this log file will be used in a future iPhoto.

In this case, the failures are reported to a log file.

The program ask you whether or not it should create a log file.

As stated earlier log files are a way to check events that have been happening on a computer or network.

For a hacker having the ability to change what the log file says can help him not to be noticed.

There is code and directions on how to change some log files in the book.

The Console application now provides access to nearly every log file in the system.