The description of log format expansion
The log file is a system log, used by a variety of different operational systems and apps. Usually it contains plain text logging with certain events and their time tags. It can be created by the operational system in order to track the events and installation wizard for composition of location points list and the names of the installed files.
Web-servers also create system log files for tracing of the visitors and monitoring of the bandwidth usage. The web-statistics apps permit web-storages to analyze system log files thanks to the schemes and diagrams, representing data of web-site traffic in graphical shape.